Patents by Inventor Don Grubbs

Don Grubbs 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: D363959
    Type: Grant
    Filed: October 19, 1993
    Date of Patent: November 7, 1995
    Inventor: Don Grubbs