Patents by Inventor Alan C. Geislhardt

Alan C. Geislhardt 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: 6932392
    Abstract: A door latch includes an S-handle, a mounting plate, a locking mounting plate, a handle latch and a locking spring. One end of the S-handle is terminated with a latch extension. A locking key extends from the S-handle. Each mounting plate includes a handle hole. A lock slot is formed adjacent the handle hole in the locking mounting plate. The lock slot receives the locking key. The handle latch includes a hook member and at least one mounting flange extending from a rear of the hook member. The hook member is sized to receive the latch extension. The S-handle is secured to a door with the mounting plates and the handle latch is secured to a surface, adjacent the door. A second embodiment of a door latch includes a torsion spring. The second embodiment of the door latch is used to lock a sliding door.
    Type: Grant
    Filed: February 7, 2004
    Date of Patent: August 23, 2005
    Assignee: Plyco Corporation
    Inventor: Alan C. Geislhardt