Patents by Inventor Dennis J. Sharp

Dennis J. Sharp 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 hinges
    Patent number: 4099347
    Abstract: Methods and means are disclosed for supporting doors, windows and the like with improved leaf-type hinges in which the leaf of the hinge mounted against the supporting structure, such as the door frame, is extended laterally to fit beneath and be partially held by the door or window jamb.
    Type: Grant
    Filed: December 9, 1975
    Date of Patent: July 11, 1978
    Inventor: Dennis J. Sharp