Patents by Inventor William E. Magengast

William E. Magengast 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).

  • Vehicle headlamp adjustment device
    Patent number: 5063480
    Abstract: An adjustment device for a headlamp assembly that provides aiming adjustment of the headlamp unit in a horizontal plane, after which the adjustment device can be set to visually indicate that the headlamp unit is at a zero ("O") reference marking and also permit re-calibration of the lamp unit if the latter is re-aimed.
    Type: Grant
    Filed: August 13, 1990
    Date of Patent: November 5, 1991
    Assignee: General Motors Corporation
    Inventors: David R. McMahan, William E. Magengast, Luis A. Mateos