Patents by Inventor Robert A. Dizack

Robert A. Dizack 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).

  • Loudspeaker
    Patent number: D324522
    Type: Grant
    Filed: January 5, 1988
    Date of Patent: March 10, 1992
    Assignee: Mitek Corporation
    Inventors: John R. Bruss, Robert A. Dizack