Patents by Inventor William Hynes

William Hynes 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).

  • Batting practice device
    Patent number: D433723
    Type: Grant
    Filed: June 25, 1999
    Date of Patent: November 14, 2000
    Inventor: William Hynes