Patents by Inventor Thomas H. Frentzel

Thomas H. Frentzel 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: 4008587
    Abstract: An assembly includes a face plate which is mounted to an exposed wall stud in an enclosure such as a garage. The ends of a U-shaped locking member formed from a bar of hardened steel extend through transverse openings in the face plate and encircle a portion of a bicycle frame. An eye is formed on one end of the locking member and a padlock is placed through the eye to prevent withdrawal of the locking member from the face plate. In a first embodiment of the invention the face plate is mounted to the exposed edge of the wall stud on the interior of the enclosure, and in a second embodiment the face plate is mounted to the outside surface of the wall defined by the wall stud.
    Type: Grant
    Filed: January 12, 1976
    Date of Patent: February 22, 1977
    Assignee: Frentzel Products, Inc.
    Inventors: Herman C. Frentzel, Thomas H. Frentzel