Patents by Inventor Glen Brisson

Glen Brisson 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).

  • Stone disintegrator
    Patent number: 4595019
    Abstract: An instrument for attacking calculi of a patient by hydraulic impacts formed by electrical discharges in a liquid medium surrounding the calculi by detecting if the discharge end of the lithotrite of the instrument is adjacent to tissue of the patient and detecting by measuring the conductivity of the liquid medium and determining whether the measured conductivity falls within predetermined levels.
    Type: Grant
    Filed: May 4, 1984
    Date of Patent: June 17, 1986
    Inventors: William R. Shene, Glen Brisson