Patents by Inventor Edward D. Pearlman

Edward D. Pearlman 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).

  • Triggering circuit
    Patent number: 3976921
    Abstract: Circuit for triggering an electrical signal for actuation of an electrical mechanism. The circuit includes a switch means for producing an electrical pulse and a means for reversing the current flow upon receipt of such electrical pulse both connected in series. Direction of flow of the current indicates either a closed circuit or readiness for triggering an electrical signal upon a circuit break.
    Type: Grant
    Filed: January 27, 1975
    Date of Patent: August 24, 1976
    Inventor: Edward D. Pearlman