Patents by Inventor Jack Potashnik

Jack Potashnik 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).

  • Hand-held ultrasonic detector
    Patent number: D297513
    Type: Grant
    Filed: October 17, 1985
    Date of Patent: September 6, 1988
    Assignee: The Birtcher Corporation
    Inventors: Robert S. Tetrault, Jack Potashnik