Patents by Inventor Marshall Hamilton

Marshall Hamilton 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).

  • Holder for a bread toaster
    Patent number: D247413
    Type: Grant
    Filed: February 13, 1976
    Date of Patent: March 7, 1978
    Inventor: Marshall Hamilton
  • Smoke protective hood
    Patent number: D354348
    Type: Grant
    Filed: July 19, 1993
    Date of Patent: January 10, 1995
    Inventor: Marshall Hamilton