Patents by Inventor Lambertus G. P. van der Heyden

Lambertus G. P. van der Heyden 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).

  • Dual fluid dispenser
    Patent number: D340823
    Type: Grant
    Filed: January 17, 1992
    Date of Patent: November 2, 1993
    Assignee: Lever Industrial Company, division of Indopco, Inc.
    Inventors: Gerrit K. Bunschoten, Lambertus G. P. van der Heyden