Patents by Inventor Sherman L. Riggsbee

Sherman L. Riggsbee 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).

  • Tennis scoreboard or the like
    Patent number: D262096
    Type: Grant
    Filed: October 13, 1978
    Date of Patent: December 1, 1981
    Inventor: Sherman L. Riggsbee