Inventor: van Duijn, Jan Mark
Inventor: Hansen, Hans A.
Inventor: Stemkens, Henricus Godefridus Wilhelmus
Inventor: Stemkens, Henricus Godefridus Wilhelmus
Inventor: Stemkens, Henricus Godefridus Wilhelmus
Inventor: Van Blokland, Robbert G. C.
Inventor: Gutter, Martien
Inventor: Gutter, Martien
Inventor: Gutter, Martien
Inventor: Meiland, Jacobus Hendrikus
Inventor: Crawford, James
Inventor: Fransen, Marco J. W.