Patents by Inventor Charles D. Jewell

Charles D. Jewell 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: D338846
    Type: Grant
    Filed: September 6, 1990
    Date of Patent: August 31, 1993
    Inventor: Charles D. Jewell