Patents by Inventor Forrest D. Martin

Forrest D. Martin 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).

  • Telephone handset indicia holder
    Patent number: 4026033
    Abstract: For use with a telephone handset, a holder fitted to and clasping the handset, providing an envelope for sheet material bearing indicia, such as telephone numbers, to which visual reference can be made through the holder.
    Type: Grant
    Filed: May 17, 1976
    Date of Patent: May 31, 1977
    Inventor: Forrest D. Martin