Inventor: Danziger, Gavriel
Inventor: Stemkens, Henricus Godefridus Wilhelmus
Inventor: Richards, Rodney W.
Inventor: Hofmann, Silvia
Inventor: Danziger, Gavriel
Inventor: Richards, Rodney W.
Inventor: Heinrich, Westhoff
Inventor: Westhoff, Heinrich
Inventor: Lommerse, Henry
Inventor: Houbraken, Anna M. W. P.
Inventor: Houbraken, Anna M. W. P.
Inventor: Westhoff, Heinrich
Inventor: Houbraken, Anna M. W. P.
Inventor: Brits, Gert Johannes