Patents by Inventor Philip R. Boyd

Philip R. Boyd 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).

  • Photon sensor and method of fabrication
    Patent number: 3952275
    Abstract: A photon sensitive film resistor is provided having a resistance measured megohms per centimeter. The method of fabrication insures that the resistance is uniformly distributed along the current path.
    Type: Grant
    Filed: October 17, 1974
    Date of Patent: April 20, 1976
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Reinhard D. Ennulat, Paul LoVecchio, Wolfgang Elser, Philip R. Boyd