Patents by Inventor Lawrence E. Campen

Lawrence E. Campen 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).

  • Hardbar energy absorbing and vibration damping bumper system damping feature
    Patent number: 4573724
    Abstract: Hardbar bumper assembly is supported by and elastically isolated from the vehicle body by resilient energy absorber so that the bumper functions as a mechanical damper for damping internal vibrations occurring within the vehicle during engine operation including idle. The energy absorber effectively dissipates energy of impact loads including frontal corner and side impacts displacing the bumper from a normal operating position.
    Type: Grant
    Filed: November 28, 1983
    Date of Patent: March 4, 1986
    Assignee: General Motors Corporation
    Inventor: Lawrence E. Campen