Patents by Inventor Leonardus L. J. M. van Deursen

Leonardus L. J. M. van Deursen 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).

  • Chair
    Patent number: 5397295
    Abstract: A chair provided with at least one leg supporting the chair on the ground, with a back supported by the leg(s) and with a seat supported by the leg(s), whereby the seat is pivotable with respect to the back about an at least substantially vertical axis, wherein by means of a driving member the said seat is pivotable to the left and to the right through maximally 10.degree. from a central position.
    Type: Grant
    Filed: June 4, 1993
    Date of Patent: March 14, 1995
    Inventor: Leonardus L. J. M. van Deursen