Patents by Inventor Fred D. Bredthauer

Fred D. Bredthauer 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).

  • Securable cane bolt
    Patent number: 6669244
    Abstract: A securable cane bolt is provided that depends from the bottom of a gate or door and extends into the ground to hold the gate or door in a closed position. The securable cane bolt includes a hand-operated fastening member that prevents the bolt from being raised until the fastening member is released, which fastening member is covered and rendered inaccessible when a second gate is closed adjacent to the first gate.
    Type: Grant
    Filed: August 8, 2001
    Date of Patent: December 30, 2003
    Inventor: Fred D. Bredthauer