Patents by Inventor Dick P. van der Zwaard

Dick P. van der Zwaard 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: D355117
    Type: Grant
    Filed: October 1, 1993
    Date of Patent: February 7, 1995
    Assignee: Zwapak B.V.
    Inventor: Dick P. van der Zwaard