Patents by Inventor Seth D. Perry

Seth D. Perry 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).

  • Door closer having arm/slide track connection
    Patent number: 4837890
    Abstract: A door closer is disclosed having an operating arm with a track traveler which mounts a plurality of rollers. The rollers engage between them the opposite sides of a track on the door. The opposite sides of the track each have outward concave faces. The rollers are ball-shaped, conforming to the faces of the track. A door holder is also disclosed which may be adjustably fixed at a position along the track, the traveler and the holder having the mating parts of a snap fastener which, when engaged, hold releasably the door at a fixed hold-open position.
    Type: Grant
    Filed: May 13, 1988
    Date of Patent: June 13, 1989
    Assignee: Yale Security Inc.
    Inventors: Clay E. Tully, Seth D. Perry