Inventor: Schoemaker, Alex Frederick
Inventor: van den Hoogen, Wilhelmus T. J.
Inventor: Kolster, Peter Rudolf, Eveleens, Cornelis Pieter
Inventor: Eveleens, Cornelis Pieter, Kolster, Peter Rudolf
Inventor: Los, Martijn, van den Arend, Maurits
Inventor: van Dijk, Roy Robin
Inventor: Dofferhoff, Hans
Inventor: Jan Kraan, Kees
Inventor: Verhoef, Gijsbertus
Inventor: Rouwette, Guido
Inventor: van den Hoogen, Wilhelmus T. J.
Inventor: Rouwette, Guido
Inventor: van de Pol, Peter
Inventor: Niesing, Sebastian
Inventor: Verhoef, Gijsbertus
Inventor: Kraan, Kees Jan