Patents by Inventor William C. Willett

William C. Willett 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).

  • Solid-state electronic safety device
    Patent number: 4087847
    Abstract: A voltage-sensing solid-state electronic device for protection against the danger of fire originating in electric circuits, wiring and apparatus caused by defects or malfunction in said wiring or apparatus. Especially applicable for installation and use in aircraft.
    Type: Grant
    Filed: September 9, 1976
    Date of Patent: May 2, 1978
    Inventor: William C. Willett