Patents by Inventor Gregory Hoffmaster

Gregory Hoffmaster 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: D340955
    Type: Grant
    Filed: December 13, 1991
    Date of Patent: November 2, 1993
    Inventor: Gregory Hoffmaster