Patents by Inventor Mathieu J. Ellis

Mathieu J. Ellis 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).

  • Writing instrument
    Patent number: D329458
    Type: Grant
    Filed: October 5, 1990
    Date of Patent: September 15, 1992
    Inventor: Mathieu J. Ellis