Patents Represented by Attorney, Agent or Law Firm Robert M. Sperry
  • Removable door lock for hotels and the like
    Patent number: 5360245
    Abstract: An improved security device comprising a plate member insertable between a door and a door jamb and having a first portion projectable into a latch recess in said jamb and having a recess located adjacent said door when said first portion is located in said recess, and a second member releasably engageable with said recess of said plate member and with the doorknob of said door to prevent unauthorized opening of said door.
    Type: Grant
    Filed: February 22, 1994
    Date of Patent: November 1, 1994
    Inventors: Johnnie David, Melanise David
  • Reverse osmosis water system having pivoting clamp device
    Patent number: 5356531
    Abstract: An improved reverse osmosis water purification system having improved adjustable clamp means for securing the filter and membrane containers to each other and to the reservoir, together with a discharge hose adapted to minimize splashing and noise, a modified clothespin mounted adjacent the discharge end of the waste water recycling hose to facilitate securing the discharge end of the hose, and means for automatically matching the supply of input water to the water level in the reservoir without requiring manual regulation by the user or complex and expensive electronic control systems and a reservoir with filtered air.
    Type: Grant
    Filed: August 16, 1993
    Date of Patent: October 18, 1994
    Inventor: Tim Rantz
  • Anti-wicking flossing tool
    Patent number: 5348032
    Abstract: An improved dental flossing tool having a resilient member, located adjacent the tip where the flossing material exits the tool, and formed with an aperture of lesser diameter than that of the floss which serves to clamp the flossing material to positively prevent the floss from serving as a wick to carry moisture through the tip into the interior of the flossing tool.
    Type: Grant
    Filed: August 2, 1993
    Date of Patent: September 20, 1994
    Inventor: Robert F. Mason
  • Moving light insect trap
    Patent number: 5335445
    Abstract: An improved insect trap having a plurality of "moving" or sequentially-activated lights to attract insects, with particular emphasis on attracting and trapping parasitic insects, such as fleas, together with a card coated with a sticky substance to capture and retain the insects.
    Type: Grant
    Filed: August 26, 1993
    Date of Patent: August 9, 1994
    Inventor: Theodore A. Kuepper
  • Controlled reflection viewing system
    Patent number: 5331473
    Abstract: An improved double-lensed viewing system having a first lens or shield formed of shatterproof glass or plastic and mounted at an angle of at least 05.degree. from the vertical, together with a second lens or shield formed of partially opaque material mounted in optical alignment with the first lens or shield and extending parallel to the vertical.
    Type: Grant
    Filed: July 19, 1993
    Date of Patent: July 19, 1994
    Inventor: T. Douglas Petersen
  • Automatic cannulation device
    Patent number: 5312361
    Abstract: An improved intravascular catheter placement device, for the automatic insertion of intravascular catheter into the interior of blood vessels comprising a needle, an intravascular catheter concentric to the needle, and self-propelling means for moving said catheter into a blood vessel upon needle penetration of the wall of the blood vessel. The self-propelling means is actuated by means for sensing penetration of a blood vessel.
    Type: Grant
    Filed: August 10, 1992
    Date of Patent: May 17, 1994
    Inventors: Filiberto P. Zadini, Giorgio C. Zadini
  • Attachable utility devices
    Patent number: 5297318
    Abstract: A plurality of utility devices which are each formed for a respective purpose, such as belt clips, handles and the like, and which are releasably attachable to attaching members which are fixedly secured to substantially any desired object to provide added usefulness and utility to the desired object.
    Type: Grant
    Filed: August 31, 1992
    Date of Patent: March 29, 1994
    Inventors: Bradley K. Adolphson, Brett W. Adolphson
  • Multi-axis g-compensating escape cockpit capsule
    Patent number: 5297761
    Abstract: An improved cockpit area for manned atmospheric or space vehicles includes a generally spherical, multi-axis G-compensating cockpit capsule which houses the crewmen, together with the appropriate operational and navigational instruments and the mechanisms necessary for controlling the vehicle and which is rotatably mounted in the vehicle and is controllable by the crewman to permit the crewman direct visual observation throughout virtually a full circle about the vehicle, without altering the course of the vehicle, together with a device for automatically rotating the capsule to minimize the effect of high G-forces on the crewmen, and an emergency mechanism for ejecting the capsule, with the crewmen therein, and for protecting the crewmen during and after descent and landing of the capsule.
    Type: Grant
    Filed: June 15, 1992
    Date of Patent: March 29, 1994
    Inventors: Robert T. Kendall, Jr., Robert T. Kendall, Sr.
  • Drawer divider
    Patent number: 5292571
    Abstract: An improved drawer dividing device comprising a plurality of strips of resilient material fixedly joined at a plurality of locations to form a collapsible grating which can be expanded, as required, to provide a desired number of individually separate storage spaces, yet which is adjustable in size to occupy only the amount of space required for storing the desired number of articles.
    Type: Grant
    Filed: November 25, 1991
    Date of Patent: March 8, 1994
    Inventor: Forrest G. Quinn
  • Bag having tamper-resistant seal
    Patent number: 5286110
    Abstract: An improved tamper-resistant seal for use with generally U-shaped flexible closure devices, such as tabs and wire wraps, comprising an annular band dimensioned to encircle a flexible closure device and heat-shrinking the band to closely fit about the closure device to prevent removal of the closure device without prior destruction of the annular band.
    Type: Grant
    Filed: April 1, 1993
    Date of Patent: February 15, 1994
    Inventors: Mickey Benson, Donald P. Hilliard
  • Programmable safety container and closure means
    Patent number: 5284262
    Abstract: Improved safety devices comprising a container; a closure means for the container having a plurality of annular bands rotatably mounted on the closure means, each of these bands being formed with a plurality of elements which are selectably removable for programming the closure means and which must be aligned in the selected manner in order to gain access to the contents of the container; and indicia carried by the container for indicating when the selected elements are aligned in the selected manner.
    Type: Grant
    Filed: November 19, 1992
    Date of Patent: February 8, 1994
    Inventor: Rocky K. K. O'Nan
  • Ball switch
    Patent number: 5285032
    Abstract: An improved motion-actuated switch comprising a housing, a normally open snap action switch mounted within the housing actuable by a lever arm having a triangular member formed of sheet material extending substantially vertically upward from the arm, and a ball member suspended pendulously within the housing and normally engaging the tip of the triangular member to maintain the lever arm in its open circuit position and having space within the housing to permit movement of the ball member out of contact with the triangular member to allow closing of the switch.
    Type: Grant
    Filed: December 31, 1992
    Date of Patent: February 8, 1994
    Inventor: David H. Robinette
  • Hammer with sheet carrying grip
    Patent number: 5282287
    Abstract: An improved hand tool having a plurality of semispherical projections, which can be attached to or formed integral with, the handle of a hammer and which enables a carpenter to use his hammer to quickly and easily carry sheet material and to hold the sheet material in place and to nail it without the loss of time entailed in setting his hammer down and subsequently retrieving it.
    Type: Grant
    Filed: January 12, 1993
    Date of Patent: February 1, 1994
    Inventor: Larry Aube
  • Bird figure
    Patent number: 5283088
    Abstract: An improved bird figure having a multi-vaned wing structure which is mounted to rotate about the longitudinal axis of the wing structure to provide a somewhat blurred motion simulating the rapid beating of hummingbird wings.
    Type: Grant
    Filed: August 14, 1992
    Date of Patent: February 1, 1994
    Inventor: Dorothy H. Alcorn
  • Compact combustor
    Patent number: 5281132
    Abstract: An improved liquid fuel combustion device comprising a combustion chamber, a fuel inlet nozzle communicating with said combustion chamber, means for delivering a stream of turbulent air into said combustion chamber in a manner to cause liquid fuel to flow into an mix with said air stream, and means for igniting the mixture. If desired, additional air may be provided to promote more complete burning of the fuel.
    Type: Grant
    Filed: August 17, 1992
    Date of Patent: January 25, 1994
    Inventor: Noel A. Wymaster
  • Compact disc storage device
    Patent number: 5275480
    Abstract: The invention is a compact disc storage and retrieval box which stores a plurality of compact discs. Quick and easy retrieval of the desired disc is provided by a selector mechanism which lifts the desired disc and opens two sections of a hinged lid.
    Type: Grant
    Filed: April 3, 1992
    Date of Patent: January 4, 1994
    Inventors: Richard Hyman, Kenneth A. Tarlow
  • Debuckler
    Patent number: 5273295
    Abstract: An improved machine tool having means for automatically sensing axial movement of the jaw members relative to the collet housing and for adjusting the axial position of the collet to automatically compensate for the jaw movement to allow radial gripping of the workpiece with no axial movement.
    Type: Grant
    Filed: February 22, 1993
    Date of Patent: December 28, 1993
    Inventors: Robert L. Lieberman, Raymond P. Ng
  • Carpenters level and square
    Patent number: 5269066
    Abstract: An improved hand tool comprising a generally L-shaped frame having two legs each formed with a pair of channels spaced apart by a central ridge, and having panels of transparent material, such as tempered glass or plastic, mounted in the channels with a quantity of a suitable liquid contained between the panels to define a level-indicating chamber extending substantially the entire length of each leg and having indicia positioned adjacent the ends of each of these chambers to provide information relating to incremental discrepancies.
    Type: Grant
    Filed: July 16, 1992
    Date of Patent: December 14, 1993
    Inventor: Christopher L. Walters
  • Multicompartment pinata
    Patent number: 5263889
    Abstract: An improved pinata which is reusable and comprises a generally cylindrical housing having a plurality of compartments formed therein to releasably retain a quantity of candy and having trap door means individually actuable to release the contents of a respective one of said compartments, together with a plurality of resilient latches disposed about the exterior of said housing and individually actuable to selectably release a gift retained by the respective latches.
    Type: Grant
    Filed: December 17, 1992
    Date of Patent: November 23, 1993
    Inventor: Vincent J. Ledonne
  • Jaw rest for patient use during dental procedures
    Patent number: D342789
    Type: Grant
    Filed: March 20, 1992
    Date of Patent: December 28, 1993
    Inventor: Antonio M. Lopez