Patents by Inventor Donald W. Friskey

Donald W. Friskey 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: D303029
    Type: Grant
    Filed: June 19, 1986
    Date of Patent: August 22, 1989
    Inventor: Donald W. Friskey