Patents by Inventor Raymond F. Grout

Raymond F. Grout 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).

  • Brush
    Patent number: D291029
    Type: Grant
    Filed: April 25, 1985
    Date of Patent: July 28, 1987
    Inventors: Grant D. Purvis, Raymond F. Grout, Grant Harrison