Patents by Inventor Michael Reinhardt Friess

Michael Reinhardt Friess 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).

  • Backgammon game board
    Patent number: D466162
    Type: Grant
    Filed: June 10, 2002
    Date of Patent: November 26, 2002
    Inventors: Michael Reinhardt Friess, Paul Walter Skurda