Patents by Inventor Kenneth M. Holden

Kenneth M. Holden 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).

  • Power lift-assist apparatus
    Patent number: 4867417
    Abstract: The present invention defines a power lift-assist apparatus that includes a base platform and a load-support platform adapted to move in parallel relation to the base platform. Mounted to the base platform is a pneumatic motor comprising a substantially stationary piston formed with an internal pressure chamber therein and a slidable cylinder which is provided with a pair of cam rollers that are positioned to engage respective cam recesses formed in a carriage-lift framework whereby the load-support framework is activated from a retracted position to a fully extended position.
    Type: Grant
    Filed: March 28, 1988
    Date of Patent: September 19, 1989
    Inventors: Robert L. Williamson, Kenneth M. Holden
  • Trailer lock
    Patent number: 4576021
    Abstract: A lock including an elongate member which is inserted into a lock housing, useful in locking structural frame members together, among other things.
    Type: Grant
    Filed: April 11, 1983
    Date of Patent: March 18, 1986
    Assignee: 501 W B Lock Company
    Inventor: Kenneth M. Holden
  • Wheel lock for vehicles, airplanes, and the like
    Patent number: D419424
    Type: Grant
    Filed: November 9, 1998
    Date of Patent: January 25, 2000
    Assignee: California Immobilizer
    Inventor: Kenneth M. Holden