Patents by Inventor Raymond Mirly

Raymond Mirly 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).

  • Vehicle back-up alarm
    Patent number: 3943507
    Abstract: A solid state alarm circuit for producing intermittent alarm signals when a vehicle is operated in reverse. The circuit includes a sound generator modulated by a pulse generator to produce bursts of oscillations which drive sound producing loudspeakers.
    Type: Grant
    Filed: October 29, 1974
    Date of Patent: March 9, 1976
    Assignee: Raymond Mirly
    Inventors: Franklin D. Neal, Raymond Mirly