Patents by Inventor Kjell Ake Hagstrom

Kjell Ake Hagstrom 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: 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
  • Patent number: D419023
    Type: Grant
    Filed: December 8, 1998
    Date of Patent: January 18, 2000
    Assignees: Numera Ideutveckling AB, Vitech Sterling of Sweden AB
    Inventor: Kjell Ake Hagstrom