Patents by Inventor Earl T. Rook

Earl T. Rook 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: D310426
    Type: Grant
    Filed: January 27, 1987
    Date of Patent: September 4, 1990
    Inventor: Earl T. Rook