Patents by Inventor Herman W. H. Stokkers

Herman W. H. Stokkers 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).

  • Auxiliary frame for a wheelchair and wheelchair for use with an auxiliary frame
    Patent number: 5501480
    Abstract: An auxiliary frame for a wheelchair, the auxiliary frame having a coupling assembly for coupling the auxiliary frame to the wheelchair, at least one steerable wheel and a drive assembly. The coupling assembly is formed by a central elongate body provided with a bearing for co-action with the frame of the wheelchair and a clamping bracket pivotally connected to the elongate body and co-acting with the bearing. A stationary hook-like member is connected to the elongate body.
    Type: Grant
    Filed: June 3, 1994
    Date of Patent: March 26, 1996
    Inventors: Hendrik J. Ordelman, Gerhard Temmink, Herman W. H. Stokkers, Harm Braam