Patents by Inventor Huibrecht Groenendijk

Huibrecht Groenendijk 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).

  • Patent number: D393464
    Type: Grant
    Filed: November 6, 1996
    Date of Patent: April 14, 1998
    Assignee: Koninklijke PTT Nederland N.V.
    Inventor: Huibrecht Groenendijk