Patents by Inventor Matthew C. Hoffmann

Matthew C. Hoffmann 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).

  • Sprinkler
    Patent number: D455816
    Type: Grant
    Filed: May 14, 2001
    Date of Patent: April 16, 2002
    Assignee: Bird Brain, Inc.
    Inventor: Matthew C. Hoffmann
  • Sprinkler
    Patent number: D456491
    Type: Grant
    Filed: May 22, 2001
    Date of Patent: April 30, 2002
    Assignee: Bird Brain, Inc.
    Inventor: Matthew C. Hoffmann