Patents by Inventor John Hepplewhite

John Hepplewhite 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).

  • Multiple display sailing instrument
    Patent number: D249247
    Type: Grant
    Filed: October 3, 1975
    Date of Patent: September 5, 1978
    Inventors: Frederic G. Shotz, John Hepplewhite, Michael Bungay