Patents by Inventor Hugo Piet Hein

Hugo Piet Hein 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).

  • Bottle opener
    Patent number: D557574
    Type: Grant
    Filed: November 9, 2004
    Date of Patent: December 18, 2007
    Inventor: Hugo Piet Hein