Patents by Inventor Francis Andrew Bierman

Francis Andrew Bierman 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).

  • Anti-theft clip
    Patent number: 4113294
    Abstract: An anti-theft clip for securing a conventional lock cylinder to a car door and for preventing unwanted tampering with a lever operatively connected to the lock cylinder. The clip includes resilient legs which straddle and hold the lock cylinder. Panels attached to the resilient legs shield the lock cylinder from unwanted tampering.
    Type: Grant
    Filed: June 14, 1977
    Date of Patent: September 12, 1978
    Inventor: Francis Andrew Bierman