Patents by Inventor Clarence Wilkerson, Jr.

Clarence Wilkerson, Jr. 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: 6021691
    Abstract: A window operating system for moving a vehicle window up and down that includes an electric drive motor having a gear coupled to a window movement mechanism through a magnetic clutch assembly wherein the drive gear includes a crank extending outwardly therefrom and through the door facing surface and is selectively connectable to a roll up crank having a fold out handle and a protruding socket member. The door facing surface includes a cavity or chamber into which the emergency crank can be stored and rapidly retrieved in an emergency. The magnetic clutch is only engaged when the power is supplied to the electric motor in either direction.
    Type: Grant
    Filed: June 11, 1998
    Date of Patent: February 8, 2000
    Inventor: Clarence Wilkerson, Jr.