Patents by Inventor Matthew Jeffreys

Matthew Jeffreys 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).

  • Helmet
    Patent number: D444269
    Type: Grant
    Filed: January 20, 2000
    Date of Patent: June 26, 2001
    Inventor: Matthew Jeffreys