Patents by Inventor Charles E. Whipkey

Charles E. Whipkey 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: D344806
    Type: Grant
    Filed: June 14, 1991
    Date of Patent: March 1, 1994
    Inventor: Charles E. Whipkey