Patents by Inventor Roberta Mathieson

Roberta Mathieson 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).

  • Book
    Patent number: D437883
    Type: Grant
    Filed: March 23, 2000
    Date of Patent: February 20, 2001
    Inventor: Roberta Mathieson