Patents by Inventor Lee J. Pfeilsticker

Lee J. Pfeilsticker 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: 3986294
    Abstract: A miniature toy fork lift vehicle having a body supported on ground wheels, an upright frame mounted on the front portion of the body and having a pair of upright parallel guide rails spaced transversely of the vehicle, a lift fork including a carrier mounted on the guide rails for vertical sliding movement, an upright screw member disposed between the guide rails and journaled in the upright frame and having a threaded portion in threaded engagement with the carrier to raise and lower the lift fork as the screw is turned. The guide rails form a roll cage over an operator's station. The lift fork may be pivoted to an inactive position to reduce the vehicle length for packaging or storage.
    Type: Grant
    Filed: January 15, 1975
    Date of Patent: October 19, 1976
    Assignee: Tonka Corporation
    Inventors: Lee J. Pfeilsticker, Vernon R. Wamsley, Thomas W. Good
  • Patent number: 3953937
    Abstract: A panel for a toy vehicle truck box or the like wherein one edge of the panel interlocks with one wall of the box against outward removal therefrom and the opposing edge of the panel has an apertured tab adapted to be secured by a fastener such as a rivet to the wall of the box opposing said one wall.
    Type: Grant
    Filed: December 9, 1974
    Date of Patent: May 4, 1976
    Assignee: Tonka Corporation
    Inventor: Lee J. Pfeilsticker