Patents Represented by Attorney, Agent or Law Firm Jenner & Block
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Patent number: 4750754Abstract: Novel handlebars for a bicycle are disclosed. The handlebars include a crosspiece connected to a bicycle steering post, and first handles are connected to the crosspiece. Novel second handles extend forwardly from the crosspiece; these second handles are located so that, when they are grasped by a rider, the rider's forearms are located to be supported by the handlebars at positions over the crosspiece. The second handles are located relatively close together to encourage the rider to adopt a riding position in which the frontal area of the rider's silhouette is minimized, and in which the rider's elbows are located ahead of the rider's lungs.Type: GrantFiled: January 9, 1987Date of Patent: June 14, 1988Inventor: Dan C. Lennon
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Patent number: 4727544Abstract: A system for continuously checking the integrity of the memories of a computer controlled gaming device. The gaming device includes a plurality of EPROMs for storing software and fixed data according to which the gaming device operates. A checksum algorithm stored in one of the EPROMs is periodically implemented throughout the operation of the gaming device to calculate individual checksums for each EPROM. The checksum calculated for an EPROM is compared to a checksum value stored for that EPROM to determine whether changes in the contents of the memory have been made.Type: GrantFiled: June 5, 1986Date of Patent: February 23, 1988Assignee: Bally Manufacturing CorporationInventors: Norman Brunner, Phillip Pajak, Douglas Hilgendorf
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Patent number: 4726608Abstract: An indicia bearing article, such as a lottery ticket, contest form or other document, for example, is provided. The article includes an indicia bearing sheet and an opaque coating thereover for hiding the indicia. The opaque coating contains metal particles and at least one undissolved dye soluble in at least one solvent and dispersed in the opaque coating and hidden beneath the metal particles, for providing visual evidence of exposure to the solvent.Type: GrantFiled: August 5, 1986Date of Patent: February 23, 1988Assignee: Scientific Games of California, Inc.Inventor: Bradley W. Walton
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Patent number: 4725079Abstract: A method for enhancing the security of instant lottery tickets. A book number indicating from which packet a particular lottery ticket originated is printed on the back of the ticket and an integrity number is printed on the front of the ticket. The integrity number is related to the book number by an algorithm known only to the ticket manufacturer and the lottery administration. To further enhance the security of the ticket, the book number and integrity number are simultaneously printed onto the ticket.Type: GrantFiled: July 11, 1986Date of Patent: February 16, 1988Assignee: Scientific Games, Inc.Inventors: John R. Koza, Martin A. Keane, William F. Behm
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Patent number: 4716601Abstract: This invention provides a stack of tear-off lenses for rapid and easy mounting over a main goggle lens. The invention overcomes the previously discussed disadvantages of excessive mounting time and effort. A method of manufacturing the stack is also provided. In addition, a goggle incorporating the stack of tear-off lenses, as well as a kit for adapting a goggle for tear-off lenses, including the tear-off lens stack and a retaining post member, are disclosed.Type: GrantFiled: August 5, 1986Date of Patent: January 5, 1988Assignee: Scott USA Limited Partnership, a Washington Limited partnershipInventor: Joseph R. McNeal
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Patent number: 4714244Abstract: A rowing exercise machine having an improved user interface. The user interface has a cable for accepting user exercising stroke movements each stroke having a power and return portion. The cable is carried on a cable drum which is mounted on a shaft such that when the cable is unwound and rewound rotation to the shaft is imparted. A flywheel is connected to the shaft for receiving and conserving angular momentum imparted thereto. The machine also includes a brake for opposing the rotational displacement of the flywheel. The user interface further includes a stainless steel eye staked into one end of a strain relief spring with an end of the cable being staked in the opposite end of the spring. A handle is secured to the eye which is capable of withstanding the concentrated forces to which the user interface is subjected.Type: GrantFiled: April 4, 1986Date of Patent: December 22, 1987Assignee: Bally Manufacturing CorporationInventors: George Kolomayets, Allen Ryan, Augustine Nieto, Bryan Andrus
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Patent number: 4711451Abstract: A reel mapping scheme which allows one standard reel stop control software routine to control the stopping of the reels when the device is operated as a standard gaming device, a multiple stop gaming device or a virtual reel gaming device. The gaming device includes a number of rotating symbol bearing reels, each reel having n stop positions associated with each symbol on the reel. For each reel, the gaming device stores a map of the symbols on the reel in a symbol map memory and a map of the stop positions on the reel in a stop map memory where the data stored in the first location in the reel map memory represents the first stop for a symbol whose data is stored in the first location in the symbol map memory. Three mapping indexes are stored for each reel. One index stores only one value representing an address offset to the reel map memory at one location for each symbol on the reel to provide a standard gaming device.Type: GrantFiled: July 29, 1986Date of Patent: December 8, 1987Assignee: Bally Manufacturing CorporationInventors: Phillip Pajak, Victor Salmons, Tony Chan
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Patent number: 4707863Abstract: An anti-fog goggle is provided having a foam frame with a method of manufacturing the goggle. The goggle is composed of generally planar individual members, yet the goggle has a desired degree of self-supporting curvature. The anti-fog goggle has a semi-rigid support member for supporting the goggle's lens, the support member being stamped out of a planar sheet of foam. The foam support member has air channels depressed therein through which air enters and exits the interior of the goggle to prevent condensation from forming on the viewing surface of the lens' interior. The lens is stamped from a planar sheet of transparent plastic which is deformable into a simple curve. The lens is formed with a plurality of apertures therein which are aligned with air channels in the support member when the lends is secured thereto. The lens' apertures form ports through which air may flow into the air channels, the air channels directing the air downward across the inner surface of the lens.Type: GrantFiled: February 19, 1986Date of Patent: November 24, 1987Assignee: Scott USA Limited PartnershipInventor: Joseph R. McNeal
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Patent number: 4707422Abstract: The present invention provides a coating for electrodes for use in electrochemical cells having an electrochemically active species and an electrolyte. The coating contains active species material and is selectively permeable allowing for the diffusion of the active species through the coating during operation of the cell while providing a substantially impervious barrier to the electrolyte. The coating optionally further includes a polymer layer over the active species containing coating or layer for maintaining the mechanical integrity of the active species layer.Electrodes utilizing the coatings described herein may be used in primary and secondary cells over a wide range of operating temperatures to deliver better electrochemical performance even at room temperature.Methods of making the coating and an apparatus for performing these methods on a continuous basis are disclosed.A novel composition of matter is disclosed comprising lithium, silicon, and fluorine prepared by exposing lithium metal to SiF.sub.Type: GrantFiled: June 10, 1986Date of Patent: November 17, 1987Assignee: Voltaix, Inc.Inventors: John P. de Neufville, Dalbir Rajoria, Stanford R. Ovshinsky
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Patent number: 4705825Abstract: A particulate substantially homogeneous polymeric product is made by dispersing ungelatinised polysaccharide in aqueous monomer containing polymerization initiator, initiating polymerization and thereby inducing exothermic polymerization, utilizing the exotherm to provide part at least of the heat necessary to gelatinise the polysaccharide and thereby producing a comminutable gel comprising polymerized monomer and gelatinised polysaccharide, comminuting the gel and drying the comminuted gel. The product generally comprises a blend of water soluble synthetic polymer, gelatinised polysaccharide having a low degree of graft polymerization and optionally gelatinised polysaccharide. Products comprising these components are particularly suitable for use as wallpaper adhesives.Type: GrantFiled: February 4, 1986Date of Patent: November 10, 1987Assignee: Allied Colloids LimitedInventors: Kenneth C. Symes, John Langley, Kishor K. Mistry
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Patent number: 4702844Abstract: A suspension may be flocculated using a water soluble substantially linear polymer having a single point intrinsic viscosity above 3 and that is a copolymer of two or more ethylenically unsaturated monomers including at least 0.5% by weight of monomer carrying pendant hydrophobic groups. The cationic polymers are novel. Preferred polymers are those in which the hydrophobic group is introduced as an allyl ether.Type: GrantFiled: August 15, 1985Date of Patent: October 27, 1987Assignee: Allied Colloids LimitedInventors: Peter Flesher, David Farrar, Malcolm Hawe, John Langley
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Patent number: 4699722Abstract: Aqueous well fluids, such as completion, stimulation and work over fluids contain, as a viscosifier, a polymer having recurring units derived from monomers of the formulaCH.sub.2 .dbd.C(R.sup.1)CONHR.sup.2 NR.sup.3 R.sup.4wherein R.sup.1 is hydrogen or methyl, R.sup.2 is straight or branched chain is C.sub.2-8 alkylene having at least 2 carbon atoms in the backbone and R.sup.3 and R.sup.4 are independently selected from C.sub.1-4 alkyl. Preferred units are derived from dimethylaminopropyl methacrylamide, generally as an acid addition salt. The fluids may contain high ion concentrations. The fluids may be used in processes in which they are maintained downhole for long periods of time at high temperatures.Type: GrantFiled: May 23, 1985Date of Patent: October 13, 1987Assignee: Allied Colloids LimitedInventors: Brian Dymond, David Farrar
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Patent number: 4690971Abstract: A slurry or cake is converted to a crumbly state by admixture, in the absence of a polymeric binder, with water swellable, cross-linked, non-sticky, wholly synthetic polymer particles formed of a polymer of acrylic acid (as free acid or water soluble salt) with cross-linking agent and, optionally, acrylamide and/or other monomers.Type: GrantFiled: March 3, 1986Date of Patent: September 1, 1987Assignee: Allied Colloids LimitedInventors: Peter Flesher, John Clarke, David Marshall
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Patent number: 4685678Abstract: A joystick position transducer system for use in a video game. The joystick position transducer includes a pair of inductors each having a movable slug, the slugs being coupled to a control handle or knob by means of respective linkages. The control handle or knob is responsive to external stimulus to move the slugs, the inductors providing respective first and second analog signals which are proportional to the position of the slugs. Coupled to each of the inductors is an oscillator and counter for providing a pulsed output, the pulse width of which is proportional to the position of the respective slug. A controller, such as a computer control or logic sequence circuit, is provided to control the oscillators and counters. The controller is further responsive to the counter outputs to control a display presentation on a video display coupled thereto.Type: GrantFiled: March 19, 1985Date of Patent: August 11, 1987Assignee: Bally Manufacturing CorporationInventor: Jeffrey E. Frederiksen
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Patent number: 4678250Abstract: A multiple male pin electrical header is provided for connection to the surface of a printed circuit board. No header components need extend entirely through the board. The header comprises an integral and electrically insulating body member; and the plurality of male pin connectors extend through the body member. The pins have tail portions adapted to electrically contact pads or other surfaces of a printed circuit board. Pin head portions extend upwardly for connection with another electrical connector. The header body portion is formed to define a plurality of pin cavities, each cavity being shaped to expose only an individual male pin connector for contact by test probe. These cavities are shaped to discourage simultaneous test probe shorting contact across a plurality of connector pins.Type: GrantFiled: January 8, 1985Date of Patent: July 7, 1987Assignee: Methode Electronics, Inc.Inventors: Edward L. Romine, Roger W. Byczek
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Patent number: 4677152Abstract: A polymer of an ethylenically unsaturated monomer containing a pendant hydrophobic group and, optionally, other monomers such as (meth) acrylic acid, ethyl acrylate or acrylamide is provided as a stable, substantially anhydrous dispersion containing at least 40% by weight of the polymer in a continuous phase of a non-aqueous liquid. The polymer in the dispersion generally includes acid groups and is neutralized, preferably with ammonia or a volatile amine. The dispersion can be made by reverse phase polymerization of an aqueous blend of monomers, followed by dehydration, or by making the polymer from a water insoluble blend of monomers by oil in water emulsion polymerization, dispersing the resultant oil in water emulsion into the non-aqueous liquid, and then dehydrating. The monomer including the hydrophobic group is preferably an allyl ether.Type: GrantFiled: August 15, 1985Date of Patent: June 30, 1987Assignee: Allied Colloids LimitedInventors: Adrian Allen, David Farrar
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Patent number: 4674741Abstract: An improved rowing exercising machine is disclosed. The machine has a mechanical apparatus for accepting user stroke movements; each stroke has a power portion and a return portion. The mechanical apparatus converts the energy from the user stroke movements into rotation of a flywheel. In order to closely simulate the feel of momentum in actual rowing activity, electronic circuitry is used to control a brake to apply a force to slow the motion of the flywheel. The amount of force supplied by the brake is independent of the speed at which the user is rowing the machine and is under software control. The brake force can be varied to additionally slow down the rotation of the flywheel during the return portion of a stroke. The rowing machine includes a video display which gives the user the sense of competitive scull racing. The display shows an animated rowing figure having stroke movement synchronized with the user stroke movements. A pacer rowing figure is also displayed.Type: GrantFiled: August 5, 1985Date of Patent: June 23, 1987Assignee: Bally Manufacturing CorporationInventors: John J. Pasierb, Jr., Augustine Nieto, Bryan Andrus, George Kolomayets, Gary Oglesby, Allen Ryan
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Patent number: D291898Type: GrantFiled: November 19, 1984Date of Patent: September 15, 1987Assignee: Tagums, Inc.Inventor: Susan Smith
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Patent number: D292483Type: GrantFiled: May 20, 1985Date of Patent: October 27, 1987Assignee: McDonald's CorporationInventors: Nicholas D. Commisso, Edwin R. De Cook, Ralph E. Hisle, Donald Rowe
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Patent number: D292878Type: GrantFiled: May 20, 1985Date of Patent: November 24, 1987Assignee: McDonald's CorporationInventors: Nicholas D. Commisso, Edwin R. De Cook, Ralph E. Hisle, Donald Rowe