Patents by Inventor Arthur Herbert Duvenage

Arthur Herbert Duvenage 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).

  • Boat hull exterior
    Patent number: D400156
    Type: Grant
    Filed: January 27, 1997
    Date of Patent: October 27, 1998
    Inventors: Arthur Herbert Duvenage, Francois Gerhardus Joubert