Patents by Inventor Don Marshall

Don Marshall 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).

  • Ashtray
    Patent number: D359577
    Type: Grant
    Filed: March 14, 1994
    Date of Patent: June 20, 1995
    Inventor: Don Marshall