Patents by Inventor Herbert B. Downing

Herbert B. Downing 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).

  • Decorative pencil holder
    Patent number: D416383
    Type: Grant
    Filed: December 3, 1998
    Date of Patent: November 16, 1999
    Inventor: Herbert B. Downing