Patents by Inventor Robert P. Brougham

Robert P. Brougham 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).

  • Flexible dental dam with frame
    Patent number: D523552
    Type: Grant
    Filed: March 23, 2005
    Date of Patent: June 20, 2006
    Assignee: Coltene/Whaledent, Inc.
    Inventors: Michael Nordahl, Robert P. Brougham