Patents by Inventor Robert M. Beth

Robert M. Beth 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).

  • Gutter guard
    Patent number: D417264
    Type: Grant
    Filed: September 29, 1997
    Date of Patent: November 30, 1999
    Assignee: Board of Trustees of the Leland Stanford Junior University
    Inventor: Robert M. Beth