Patents by Inventor Fred J. Sellers

Fred J. Sellers 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).

  • Trailer hitch lock
    Patent number: 5775139
    Abstract: A trailer hitch lock for enclosing a trailer hitch to secure the trailer against theft. The trailer hitch lock includes a base plate, a set of locking plates pivotably mounted to opposing sides of the base plate and a locking mechanism for securing the locking plates together. A mounting ball is mounted on the base plate and is configured to engage the trailer hitch ball socket. The first ends of the locking plates are hingeably connected to the opposing sides of the base plate. The second ends of the locking plates and the locking mechanism cooperate to secure the locking plates together.
    Type: Grant
    Filed: June 10, 1997
    Date of Patent: July 7, 1998
    Inventor: Fred J. Sellers