Patents by Inventor Jan R. E. Giselsson

Jan R. E. Giselsson 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).

  • Sitting device
    Patent number: 4848841
    Abstract: A sitting device, adapted to be used in two different sitting postures comprising a main frame, a seat pivotally mounted on said main frame and a separate knee support, which is pivotally mounted in one end each of a pair of supporting arms, which have their other ends pivotally mounted in links of a link system, said links being arranged in pairs and attached to the frame of the sitting device pivotable in a vertical plane, one pair of the links being prolonged by an arm, which extends between the frame and the seat.
    Type: Grant
    Filed: July 7, 1988
    Date of Patent: July 18, 1989
    Assignee: Hoganasmobler AB
    Inventor: Jan R. E. Giselsson