Patents by Inventor Kjell Bertilsson

Kjell Bertilsson 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).

  • Rail element for a toy railway
    Patent number: D382026
    Type: Grant
    Filed: July 8, 1996
    Date of Patent: August 5, 1997
    Assignee: Brio AB
    Inventors: Ingvar Petersson, Borje Sander, Kjell Bertilsson
  • Rail element for a toy railway
    Patent number: D382027
    Type: Grant
    Filed: July 8, 1996
    Date of Patent: August 5, 1997
    Assignee: Brio AB
    Inventors: Ingvar Petersson, Borje Sander, Kjell Bertilsson