Patents by Inventor John F. DiStefano

John F. DiStefano 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).

  • Cleaning device for the head of a golf club
    Patent number: 3994040
    Abstract: An apparatus for cleaning the grooves in the head of a golf club, the apparatus comprising a plurality of flexible prongs arranged in a row, the prongs having beveled scraping tips, means for mounting said prongs and a cover portion for fitting over the prongs.
    Type: Grant
    Filed: June 27, 1975
    Date of Patent: November 30, 1976
    Inventor: John F. DiStefano