Inventor: Bolinder, Kjell
Inventor: Bolinder, Kjell
Inventor: Zetterlund, Henrik
Inventor: Bolinder, Kjell
Inventor: Hjeltnes, Stein Harald
Inventor: Ingvoldstad, Ola
Inventor: Ingvoldstad, Ola
Inventor: Ingvoldstad, Ola
Inventor: Persson, Kjell Aake
Inventor: Persson, Kjell-Aake
Inventor: Nilsson, Magnus
Inventor: Dahlqvist-Olsson, Eva
Inventor: Persson, Kjell-Ake
Inventor: Langvad, deceased, Bjarne Johan