Patents by Inventor James D. Olds

James D. Olds 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).

  • Tamper resistant trailer hitch
    Patent number: 5018759
    Abstract: A tamper resistant trailer hitch. The trailer hitch includes a body with a hitch ball receiving cavity therein and a conventional coupling mechanism. The hitch may be locked in a coupled position on the hitch ball or in an uncoupled position in which the ball receiving cavity is covered to provide tamper resistance. In a first embodiment, a side opening coupling configuration is used with the cover mounted on a rotating locking ring. In a second embodiment, a pivoting locking plate is mounted on the lower side of the hitch. In a third embodiment, a sliding locking plate is mounted on the lower side of the hitch.
    Type: Grant
    Filed: October 23, 1989
    Date of Patent: May 28, 1991
    Assignee: Guardian Hitch, Inc.
    Inventors: S. Leonard Villalon, James D. Olds, William H. Shoffner
  • Tamper resistant trailer hitch
    Patent number: 4925205
    Abstract: A tamper resistant trailer hitch. The trailer hitch includes a body with a hitch ball receiving cavity therein and a conventional coupling mechanism. The hitch may be locked in a coupled position on the hitch ball or in an uncoupled position in which the ball receiving cavity is covered to provide tamper resistance. In a first embodiment, a side opening coupling configuration is used with the cover mounted on a rotating locking ring. In a second embodiment, a pivoting locking plate is mounted on the lower side of the hitch. In a third embodiment, a sliding locking plate is mounted on the lower side of the hitch.
    Type: Grant
    Filed: November 3, 1987
    Date of Patent: May 15, 1990
    Assignee: Guardian Hitch, Inc.
    Inventors: S. Leonard Villalon, James D. Olds, William H. Shoffner