Patents by Inventor Roger C. Crites

Roger C. Crites 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).

  • Vibrating electret reed voltage generator
    Patent number: 4288735
    Abstract: A vibrating electret reed voltage generator. The reed vibration is induced by fluid pressure supplied to the reed chamber and controlled through a fluid oscillating circuit.
    Type: Grant
    Filed: September 17, 1979
    Date of Patent: September 8, 1981
    Assignee: McDonnell Douglas Corp.
    Inventor: Roger C. Crites