Patents by Inventor David B. Headley

David B. Headley 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).

  • Roller cam follower with anti-rotation device
    Patent number: 4152953
    Abstract: A roller type cam follower carries a floating guide plate having an end thereof extending below the roller to be slidably received in a slotted groove provided in the cam on which the roller rides whereby to prevent rotation of the cam follower.
    Type: Grant
    Filed: December 15, 1977
    Date of Patent: May 8, 1979
    Assignee: General Motors Corporation
    Inventor: David B. Headley
  • Twin trailing link rear suspension system
    Patent number: 4029338
    Abstract: A twin trailing link suspension system for nonsteerable solid rear axles wherein each link has a one-point connection with the vehicular frame and a vertically aligned two-point connection with the rear axle for reduced weight and complexity.
    Type: Grant
    Filed: August 13, 1975
    Date of Patent: June 14, 1977
    Assignee: General Motors Corporation
    Inventor: David B. Headley