Patents by Inventor Thomas D. Washburn

Thomas D. Washburn 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).

  • Noise maker
    Patent number: D376625
    Type: Grant
    Filed: October 10, 1995
    Date of Patent: December 17, 1996
    Inventor: Thomas D. Washburn