Patents by Inventor Francis E. Muszynski

Francis E. Muszynski 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).

  • Patent number: 5783996
    Abstract: A portable alarm device which comprises an enclosed compartment within which a spring-loaded triggering device may be locked into an alarm position by a magnetic field and held there until properly switched off. The apparatus further comprises a battery power supply and locking apparatus for locking it into a disarmed position.
    Type: Grant
    Filed: July 15, 1996
    Date of Patent: July 21, 1998
    Inventor: Francis E. Muszynski