Patents by Inventor Kjell Ake Hagström

Kjell Ake Hagström 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: D441209
    Type: Grant
    Filed: December 8, 1998
    Date of Patent: May 1, 2001
    Assignees: Numéra Idéutveckling AB, Vitech Sterling of Sweden AB
    Inventor: Kjell Ake Hagström