Patents by Inventor George C. Perkins

George C. Perkins 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).

  • Radio frequency cautery instrument and control unit therefor
    Patent number: 4071028
    Abstract: An improved radio frequency cautery instrument comprising a radio frequency signal generator for supplying both monopolar and bipolar radio frequency signal outputs for medical applications. A control unit is interposed between the radio frequency outputs of the signal generator and the hand-held electrode assembly, and further interposed between a finger-operated switch on the electrode assembly and the power circuit of the signal generator, whereby the application of radio frequency energy to the electrode of the electrode assembly can be controlled by the user through manipulation of the finger-operated switch on the electrode assembly.
    Type: Grant
    Filed: February 17, 1976
    Date of Patent: January 31, 1978
    Inventor: George C. Perkins