Patents by Inventor Lambertus Jacobus Zwiegers

Lambertus Jacobus Zwiegers 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).

  • Publication number: 20040192157
    Abstract: A toy glider made from corrugated plastic, designed to be hand launched into free flight by using an elastic band. A steel wire, which is “U” shaped, serving as a counterweight, sliding into the shoulder part of the delta wing. The fuselage slide into three slots cut on the centre line of the delta wing and being secured by three needles. The rear as well as the front of the delta shaped wing is adjustable to provide different flight patterns. This “U” shaped steel wire is covered with a rubber pipe and they also protect the nose of the toy glider against impact.
    Type: Application
    Filed: March 27, 2003
    Publication date: September 30, 2004
    Inventor: Lambertus Jacobus Zwiegers