Patents Represented by Attorney W. Douglas English
  • Patent number: 7810180
    Abstract: An infant high chair adapted for feeding, entertaining, cleaning, and attending to an infants waste evacuation needs within the safe confines of a bathtub. The chair has four telescoping legs for variable elevation of and supporting a seat with an orthogonal back disposed thereon and having an enlarged hole centered on the seat for passage of the infant's waste to a potty slidably disposed thereunder. A pair of telescoping arms depend orthogonally from the back to a distal cross member from which depend a pair of telescoping legs for support of the arms, thereby providing an enclosure for the infant while seated or standing therein. The arms of the enclosure concomitantly provide a structure to support a play and or eating table/tray.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: October 12, 2010
    Inventor: Gloria List
  • Patent number: 5934490
    Abstract: A combination engine hoist and stand for lifting and supporting an engine includes a variably oriented "H" shaped multi hinged base with frame extension capability mounted on casters and a combined hoist and stand vertical column located on the base for communicating with and supporting both a hoist and a stand via a collar disposed therebetween. The hoist includes a boom and a hoist column, the boom pivotally attached to the hoist column and the hoist column attached to the stand column via the collar. The boom is manually adjustable for length via extension elements and the boom height is adjustable by activating a hydraulic jack. A wire rope depends from the outward extending end of the boom and is manually adjustable for length by operating a winch. The boom alone or the entire hoist is removable from the stand as desired. The stand includes a stand column and a shaft that pivotally and slidably communicates with the collar on the stand column and also includes a plate for attachment to an engine.
    Type: Grant
    Filed: January 20, 1995
    Date of Patent: August 10, 1999
    Inventor: Arthur R. Mora
  • Patent number: 5274271
    Abstract: An inexpensive pulse generating circuit is disclosed that generates ultra-short, 200 picosecond, and high voltage 100 kW, pulses suitable for wideband radar and other wideband applications. The circuit implements a nonlinear transmission line with series inductors and variable capacitors coupled to ground made from reverse biased diodes to sharpen and increase the amplitude of a high-voltage power MOSFET driver input pulse until it causes non-destructive transit time breakdown in a final avalanche shockwave diode, which increases and sharpens the pulse even more.
    Type: Grant
    Filed: July 12, 1991
    Date of Patent: December 28, 1993
    Assignee: Regents of the University of California
    Inventor: Thomas E. McEwan
  • Patent number: 5221243
    Abstract: In the field of electronically controlled and monitored sports training, competition and amusement centers, particularly adapted for use with the oriental martial arts, but also suitable for rehabilitation training and progress measurement in connection with physical therapy applications, a multi-sided para-peripheral center in which a contestant may stand and move about, constructed as an octagonal cylinder, each of whose eight sides is a panel containing four elastically inflatable balls, suspended by elastic cords, each capable of absorbing a full impact strike without injury to the deliverer, and arrayed vertically at the typical height of head, chest, pelvis and knee of a simulated opponent, together with programmable timing and selection circuits which randomly activate a quartet of light-emitting diodes circumscribed about each of the thirty-two target balls, whose illumination designates the currently selected target, and sensor means for recording strikes if the designated target receives a blow befo
    Type: Grant
    Filed: June 23, 1991
    Date of Patent: June 22, 1993
    Inventor: James J. Walker
  • Patent number: 5180223
    Abstract: A completely portable and simply deployable wide-area low-intensity lighting fixture adapted for removable attachment to an RV awning utility beam, and assembled from a first length of flexible cylinder or tubing for removable insertion into a pre-existing indentation or utility channel in the utility beam, together with a rectangular sheet of flexible sheeting extending laterally from the first length of tubing, and a second length of transparent and flexible tubing connected to the side of the sheeting which is transversely opposite the side attached to the first length of tubing, as well as a collection of relatively uniformly wide-area low-intensity lighting elements disposed within the second length of transparent tubing, resulting in an inexpensively manufacturable and conveniently simply usable wide-area portable lighting system removably attachable to land or marine RVs.
    Type: Grant
    Filed: April 30, 1992
    Date of Patent: January 19, 1993
    Inventor: Thomas C. McNamee
  • Patent number: 5150978
    Abstract: A storage container and applicator for sports wax is construed using an ergonomically molded hollow case with a plunger for forcing wax from the case. A cap is attachable to the case so that the contaminants will be kept from the wax, and wax kept from clothing or other sensitive surfaces. The container has a beveled outlet with a soft rubber bumper ring which is designed to safely and economically facilitate wax application while the user maintains a natural and comfortable hand position. A series of wax anchors keeps the wax in close contact with the movable plunger for forcing wax out of, or into the tube.
    Type: Grant
    Filed: July 26, 1991
    Date of Patent: September 29, 1992
    Inventors: Bryan J. Stewart, Victoria J. Stewart
  • Patent number: 5017414
    Abstract: A method for large scale and economical manufacture of a second surface optical recording disk is disclosed. An optically transparent disk cover with tracking grooves and data etched on a mating side thereof is mated and embossed into an optically reactive layer of a first surface optical recording laminate web or sheet having an optically active layer, a reflective layer and a web support layer. The second surface optical recording device thereby created is then cut from the laminate web to yield a very inexpensive second surface optical recording disk.
    Type: Grant
    Filed: January 17, 1989
    Date of Patent: May 21, 1991
    Assignee: Del Mar Avionics
    Inventor: David P. Gregg
  • Patent number: 5002622
    Abstract: A process for manufacture of a second surface optically recordable disc having ultraviolet (UV) inhibiting characteristics is disclosed. A reflective lamina of aluminum, superimposed on a glass lamina substratum, is flow process produced by pyrolysis and precipitation of a lamina of aluminum from gasified triisobutyl aluminum onto a lamina web of silicate (amorphous glass) which is concomitantly pyrolized from tetraethoxy silane, with or without alkoxide additives, and precipitated upon a flowing body of molten tin to form a composite lamination sheet. To complete the process, an optically active lamina which is applied over the reflective lamina is embossed with optically transparent ultraviolet (UV) inhibiting polycarbonate, protective covers, the mating surface of which, may be, pregrooved and coded to form second surface optically active media. Covers with bonded lamination are then successively severed from the laminated sheet to yield independent second surface optically recordable media.
    Type: Grant
    Filed: February 27, 1989
    Date of Patent: March 26, 1991
    Assignee: Del Mar Avionics
    Inventors: David P. Gregg, Kenneth L. Keester
  • Patent number: 4964934
    Abstract: A process for manufacture of a second surface optically recordable disk is disclosed. A reflective sheet of aluminum, flow process produced by precipitation of a layer of aluminum from gasified triisobutyl aluminum onto a layer of molten indium, is mated with a polymer substratum sheet. In completion of the process, an optically active layer which is applied over the reflective layer is embossed with an optically transparent polycarbonate, protective cover, the mating surface of which, may be, pregrooved and coded with data relative to address and sector codes. Covers with bonded laminae are then successively severed from the lamina sheet to yield independent second surface optically recordable media.
    Type: Grant
    Filed: February 2, 1989
    Date of Patent: October 23, 1990
    Assignee: Del Mar Avionics
    Inventor: David P. Gregg
  • Patent number: 4720093
    Abstract: The specification discloses a self propelled stress testing apparatus for providing graded levels of exercise and for measuring human energy output. An adjustable frictional load calibrated in terms of patient weight and operatively coupled to a pair of translational platforms provides the exercising drag force to a flywheel against which the effort of the user is applied. Reciprocal exercising motion applied to the translational platforms is converted into rotary motion via a pair of unidirectional sprockets. Alternative embodiments employing bifilar and elastically centered slideable guide platform configurations are disclosed as well as special adaptions for use in a weightless space environment.
    Type: Grant
    Filed: November 15, 1984
    Date of Patent: January 19, 1988
    Assignee: Del Mar Avionics
    Inventor: Bruce E. Del Mar