Patents by Inventor Robert Newton Jennings

Robert Newton Jennings 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).

  • Sliding glass window and door lock
    Patent number: 4062576
    Abstract: The device locks the sliding panel against horizontal and vertical movement. The device is secured on one of the upraised walls of the panel track by an eccentric that works in opposition to a support flange. The support flange carries slide stops to prevent the panel from sliding in its track. The vertical movement of the window out of the track is prevented by a lift stop comprising a flat spring secured in the upper track or lift stop elements on the support flange.
    Type: Grant
    Filed: May 10, 1976
    Date of Patent: December 13, 1977
    Inventors: Robert Newton Jennings, John Murray, Donald Herbert Hartleben