Patents by Inventor Paul A. Stone

Paul A. Stone 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).

  • Corner loudspeaker enclosure
    Patent number: D242806
    Type: Grant
    Filed: January 31, 1975
    Date of Patent: December 21, 1976
    Inventor: Paul A. Stone