Wheelchair Patents (Class D12/131)
  • Lightweight wheelchair
    Patent number: 4652005
    Abstract: A lightweight wheelchair is provided which includes a frame formed of a plurality of elongated members. The frame includes vertical polygon sides which have a generally triangular configuration. The wheelchair seat is supported above a pair of elongated axle support members which join to the rest of the frame at points near the front and back of the frame. An axle extends between the axle support members and is attached at a medial point on each axle support member. The configuration allows for flexing of the axle support members in response to shocks. The frame effectively handles loads and shock with a minimum of structural mass.
    Type: Grant
    Filed: October 22, 1984
    Date of Patent: March 24, 1987
    Assignee: Peterson, Wicks, Nemer & Kamrath, P.A.
    Inventor: Gregory W. Hartwell
  • Battery powered wheelchair
    Patent number: D245326
    Type: Grant
    Filed: July 26, 1976
    Date of Patent: August 9, 1977
    Assignee: Center for Independent Living, Inc.
    Inventor: Vincent Grippi, Jr.
  • Mobile chair
    Patent number: D250257
    Type: Grant
    Filed: December 20, 1976
    Date of Patent: November 14, 1978
    Inventor: Arthur E. Pfohl
  • Invalid chair
    Patent number: D250977
    Type: Grant
    Filed: February 16, 1977
    Date of Patent: February 6, 1979
    Inventor: Richard J. Powers
  • Folding electric wheelchair
    Patent number: D252080
    Type: Grant
    Filed: February 2, 1977
    Date of Patent: June 12, 1979
    Inventor: Robert VonHeck
  • Wheelchair
    Patent number: D254192
    Type: Grant
    Filed: February 13, 1978
    Date of Patent: February 12, 1980
    Assignee: Sony Corporation
    Inventor: Hiroshi Honzyou
  • Wheelchair
    Patent number: D254970
    Type: Grant
    Filed: March 29, 1978
    Date of Patent: May 13, 1980
    Assignee: Sony Corporation
    Inventor: Hiroshi Honzyou
  • Riding toy
    Patent number: D258582
    Type: Grant
    Filed: February 22, 1979
    Date of Patent: March 17, 1981
    Inventor: Charles W. Lanusse
  • Invalid chair
    Patent number: D266499
    Type: Grant
    Filed: November 15, 1979
    Date of Patent: October 12, 1982
    Inventors: Brent L. Twitchell, Kendel S. Twitchell
  • Wheelchair
    Patent number: D269172
    Type: Grant
    Filed: September 8, 1980
    Date of Patent: May 31, 1983
    Assignee: Quadra Wheelchairs, Inc.
    Inventor: Jeffrey P. Minnebraker
  • Invalid chair
    Patent number: D269963
    Type: Grant
    Filed: March 13, 1981
    Date of Patent: August 2, 1983
    Inventor: Laurell L. Rainey
  • Wheelchair
    Patent number: D271679
    Type: Grant
    Filed: March 24, 1981
    Date of Patent: December 6, 1983
    Assignee: Quadra Wheelchairs, Inc.
    Inventor: Jeffrey P. Minnebraker
  • Foldable wheelchair
    Patent number: D273376
    Type: Grant
    Filed: November 7, 1979
    Date of Patent: April 10, 1984
    Assignee: Vessa Limited
    Inventor: Derek A. Charles
  • Wheelchair or similar article
    Patent number: D273377
    Type: Grant
    Filed: November 27, 1981
    Date of Patent: April 10, 1984
    Assignee: Primary Design Group, Inc.
    Inventor: Bernard Kotyuk
  • Athletic wheel chair frame
    Patent number: D273855
    Type: Grant
    Filed: June 8, 1981
    Date of Patent: May 15, 1984
    Inventor: Carl L. Leach
  • Mobile chair for the handicapped
    Patent number: D276904
    Type: Grant
    Filed: May 3, 1982
    Date of Patent: December 25, 1984
    Assignee: Amigo Sales, Inc.
    Inventor: Melvin E. Shepard
  • Hand propelled child's vehicle
    Patent number: D277089
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: January 8, 1985
    Inventor: Luigi Tosti
  • Foldable wheelchair
    Patent number: D277949
    Type: Grant
    Filed: May 14, 1982
    Date of Patent: March 12, 1985
    Assignee: Quadra Wheelchairs, Inc.
    Inventor: Jeffrey P. Minnebraker
  • Wheelchair
    Patent number: D278217
    Type: Grant
    Filed: December 10, 1982
    Date of Patent: April 2, 1985
    Assignee: Everest & Jennings, Inc.
    Inventor: Joe M. Nassiri
  • Wheeled folding chair
    Patent number: D278523
    Type: Grant
    Filed: August 9, 1982
    Date of Patent: April 23, 1985
    Inventor: A. Lester Tuley
  • Wheel chair with adjustable table
    Patent number: D282453
    Type: Grant
    Filed: December 14, 1983
    Date of Patent: February 4, 1986
    Assignee: Lumex, Inc.
    Inventor: Fred DiVito
  • Chair
    Patent number: D283286
    Type: Grant
    Filed: August 29, 1983
    Date of Patent: April 8, 1986
    Inventor: Barry W. Wenger
  • Powered wheelchair
    Patent number: D285187
    Type: Grant
    Filed: August 29, 1983
    Date of Patent: August 19, 1986
    Assignee: Amigo Sales, Inc.
    Inventors: Indulis Piziks, Melvin E. Shepard, Ronald D. Elson, Wilbur W. Wentworth, II
  • Electrically powered three wheeled vehicle for the handicapped
    Patent number: D285671
    Type: Grant
    Filed: December 15, 1983
    Date of Patent: September 16, 1986
    Assignee: Amigo Sales, Inc.
    Inventors: Allan R. Thieme, Henry L. Dominguez, Indulis Piziks, Ronald D. Elson
  • Wheelchair
    Patent number: D286997
    Type: Grant
    Filed: July 6, 1984
    Date of Patent: December 2, 1986
    Assignee: Everest & Jennings, Inc.
    Inventor: Robert L. Stephenson
  • Motorized wheelchair
    Patent number: D287836
    Type: Grant
    Filed: October 1, 1984
    Date of Patent: January 20, 1987
    Assignee: Fortress Scientific Limited
    Inventors: Wilfred Chan, Michael Marr, Augusto De Sousa
  • Wheelchair
    Patent number: D294475
    Type: Grant
    Filed: December 30, 1985
    Date of Patent: March 1, 1988
    Inventor: Sen J. Chen
  • Modular wheelchair base
    Patent number: D294476
    Type: Grant
    Filed: November 25, 1985
    Date of Patent: March 1, 1988
    Assignee: Everest & Jennings, Inc.
    Inventors: James J. Michel, Stephen H. Kaminski
  • Wheelchair for beach and water
    Patent number: D294811
    Type: Grant
    Filed: April 23, 1985
    Date of Patent: March 22, 1988
    Inventors: James S. Rice, William L. Klohn
  • Collapsible wheel chair
    Patent number: D297722
    Type: Grant
    Filed: July 22, 1985
    Date of Patent: September 20, 1988
    Assignee: AB Scaniainventor
    Inventors: Olle L. Siwersson, Jan A. T. Loodberg
  • Wheelchair
    Patent number: D299326
    Type: Grant
    Filed: October 30, 1986
    Date of Patent: January 10, 1989
    Inventor: Lawrence A. Bernstein