Patents by Inventor Robert P. Stinar

Robert P. Stinar 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).

  • Programmable key and improved lock assembly
    Patent number: 5003801
    Abstract: An improved key and lock assembly in which an electronically coded circuit is embedded in the handle of a conventional key and at least one electrical terminal extends from the handle adjacent to and electrically isolated from the key shank so as to contact a similarly located and biased terminal on the lock assembly when the key is fully inserted therein.
    Type: Grant
    Filed: January 20, 1987
    Date of Patent: April 2, 1991
    Assignee: Ford Motor Company
    Inventors: Robert P. Stinar, George T. Calvas, David A. McNamara