Patents by Inventor W. Stuart Ferrell

W. Stuart Ferrell 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).

  • Glass door release system
    Patent number: 5615918
    Abstract: A door with a "panic" release handle including a conductive release segment mounted directly onto a frameless glass panel with non-conductive spacers to isolate a sensor circuit adapted to release a lock communicating with the circuit.
    Type: Grant
    Filed: December 15, 1994
    Date of Patent: April 1, 1997
    Inventor: W. Stuart Ferrell