Patents by Inventor Fred L. Browning

Fred L. Browning 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: D260702
    Type: Grant
    Filed: June 18, 1979
    Date of Patent: September 15, 1981
    Assignee: Acoustics Development Corporation
    Inventors: Leslie A. Hannula, Fred L. Browning