Patents by Inventor René Johan Van Geer

René Johan Van Geer 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).

  • Telephone
    Patent number: D391956
    Type: Grant
    Filed: December 17, 1996
    Date of Patent: March 10, 1998
    Assignee: Ditte N.V.
    Inventors: Hajo Jelmer Prins, Rene Johan van Geer
  • Telephone
    Patent number: D397111
    Type: Grant
    Filed: December 17, 1996
    Date of Patent: August 18, 1998
    Assignee: Ditte N.V.
    Inventors: Hajo Jelmer Prins, Rene Johan van Geer