Inventor: Danziger, Gavriel
Inventor: de Ruyver, Kurt
Inventor: Danziger, Gavriel
Inventor: Heinrich, Westhoff
Inventor: Freyre, Rosanna
Inventor: Freyre, Rosanna
Inventor: Sakazaki, Ushio
Inventor: Talmadge, Paul A.
Inventor: Sakazaki, Ushio
Inventor: Westhoff, Heinrich
Inventor: Lommerse, Henry
Inventor: Houbraken, Anna M. W. P.
Inventor: Freyre, Rosanna
Inventor: Freyre, Rosanna
Inventor: Houbraken, Anna M. W. P.
Inventor: Westhoff, Heinrich