Patents by Inventor William K. Harrison

William K. Harrison 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: D338757
    Type: Grant
    Filed: January 17, 1991
    Date of Patent: August 24, 1993
    Inventor: William K. Harrison