Patents by Inventor William M. Riggles, Jr.

William M. Riggles, Jr. 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).

  • Spatula
    Patent number: D262346
    Type: Grant
    Filed: February 28, 1980
    Date of Patent: December 22, 1981
    Inventors: William M. Riggles, Jr., Sheryl S. Smith