Patents by Inventor Charles D. Riley

Charles D. Riley 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).

  • Patent number: D259584
    Type: Grant
    Filed: July 24, 1978
    Date of Patent: June 16, 1981
    Assignee: Hydro Service & Supplies, Inc.
    Inventors: Charles D. Riley, Charles G. Waddell