Patents by Inventor Gerald L. Gresham

Gerald L. Gresham has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4995775
    Abstract: An improved wheelchair (100) tie down apparatus for use in a vehicle is described. Front attachment (A) and rear attachment (B) hold the wheelchair in the vehicle. The rear attachment is secured to the floor (200) by joined fixed length link (3), hinges (24 and 27) and tange (22), cross member (20c) between upright members (20), rear bar (26) and arms (28) secured to the rear axle (106) of the wheelchair. The tie down provides a rigid connection of the wheelchair to the floor of the vehicle.
    Type: Grant
    Filed: March 1, 1990
    Date of Patent: February 26, 1991
    Inventor: Gerald L. Gresham
  • Patent number: 4886403
    Abstract: An apparatus for securing a wheelchair (100) to the floor (200) of a vehicle is described. The apparatus includes a front attachment (A) and a rear attachment (B). The front attachment (A) includes a bar (15), buckle (14), belt (13) and hook (12) secured to a vehicle mounted plate (10). The rear attachment (B) includes a rear bar (26) with arms (28) mounted on the wheelchair and a rigid connection link (22) between the bar and a rear plate (20). The apparatus allows a greater number of wheelchairs to be positioned in the vehicle.
    Type: Grant
    Filed: March 9, 1988
    Date of Patent: December 12, 1989
    Inventor: Gerald L. Gresham