Patents by Inventor Michael P. Rethman

Michael P. Rethman 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).

  • Toothbrush
    Patent number: D311454
    Type: Grant
    Filed: June 27, 1988
    Date of Patent: October 23, 1990
    Inventor: Michael P. Rethman