Patents by Inventor Robert L. Frey

Robert L. Frey 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).

  • Wire-wound resistor
    Patent number: 4185263
    Abstract: A wire-wound resistor has an adhesive applied to the wire and the insulative substrate upon which the wire is wound at a predetermined location. The wire is then cut or otherwise broken at that location to open-circuit the resistor. The adhesive holds the cut end of the wires in place on the substrate.
    Type: Grant
    Filed: July 20, 1978
    Date of Patent: January 22, 1980
    Assignee: P. R. Mallory & Co. Inc.
    Inventor: Robert L. Frey
  • Thrust bushing for variable resistance control
    Patent number: 4037188
    Abstract: A thrust bushing is trapped between a rotor and a bushing in which a shaft carrying the rotor is rotated to provide better torque control as the shaft is rotated.
    Type: Grant
    Filed: July 23, 1975
    Date of Patent: July 19, 1977
    Assignee: P. R. Mallory & Co., Inc.
    Inventors: Robert L. Frey, Lee R. George