Patents by Inventor Stephen R. Gribb

Stephen R. Gribb 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).

  • Dual tip marking instrument
    Patent number: D279992
    Type: Grant
    Filed: April 6, 1983
    Date of Patent: August 6, 1985
    Inventor: Stephen R. Gribb