Patents by Inventor Magnus Riisgaard

Magnus Riisgaard 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).

  • Patent number: 7134678
    Abstract: A wheelchair comprises a frame which supports the wheels, the seat, back rest, and foot rests of the wheelchair. The seat, the back rest, and the foot rests are adjustable in relation to one another. The frame comprises a lower and an upper frame section. On the lower frame section there are disposed the wheels of the wheelchair, and on the upper frame section there are disposed the seat, the back rest, and the foot rests. The wheelchair has an adjustment device for vertical adjustment of the upper frame section in relation to the lower.
    Type: Grant
    Filed: December 3, 2002
    Date of Patent: November 14, 2006
    Assignee: Etac Ab
    Inventors: Bo Lindkvist, Morgan Ferm, Leif Dahlberg, Magnus Riisgaard, Gunnar Sundström
  • Publication number: 20050012302
    Abstract: A wheelchair comprises a frame which supports the wheels, the seat, back rest, and foot rests of the wheelchair. The seat, the back rest, and the foot rests are adjustable in relation to one another. The frame comprises a lower and an upper frame section. On the lower frame section there are disposed the wheels of the wheelchair, and on the upper frame section there are disposed the seat, the back rest, and the foot rests. The wheelchair has an adjustment device for vertical adjustment of the upper frame section in relation to the lower.
    Type: Application
    Filed: December 3, 2002
    Publication date: January 20, 2005
    Inventors: Bo Lindkvist, Ferm Morgan, Leif Dahlberg, Magnus Riisgaard, Gunnar Sundstrom
  • Patent number: D566409
    Type: Grant
    Filed: August 7, 2006
    Date of Patent: April 15, 2008
    Assignee: Etac AB
    Inventors: Bo Lindqvist, Magnus Riisgaard