Patents by Inventor William R. Bratzler

William R. Bratzler 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: 4571964
    Abstract: A locking assembly to prevent unauthorized access to a trailer hitch which includes a metallic casing which is slideably placed over and around the socket end portion of the hitch and which cooperatively receives a locking bar having a first extended portion which is receivable within the hitch socket and a second extended portion which is selectively secured to the interior of the metallic casing to thereby lock the assembly in fixed position with respect to the trailer hitch.
    Type: Grant
    Filed: September 25, 1984
    Date of Patent: February 25, 1986
    Inventor: William R. Bratzler