Patents by Inventor Hendrik Jan Ordelman

Hendrik Jan Ordelman 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).

  • Collapsible wheelchair
    Patent number: 5727809
    Abstract: A collapsible wheelchair having a frame including a first side frame, a second side frame, coupling means holding the two side frames at least on the operative situation in the same positions at a mutual distance, wheel arranged on the frame, a seat and a back.
    Type: Grant
    Filed: November 13, 1995
    Date of Patent: March 17, 1998
    Inventors: Hendrik Jan Ordelman, Gerhard Temmink, Herman Willem Hendrik Stokkers, Harm Hendrik Braam