Inventor: Danziger, Gavriel
Inventor: Danziger, Gavriel
Inventor: Heinrich, Westhoff
Inventor: Zaias Fast, Magaly
Inventor: Westhoff, Heinrich
Inventor: Lommerse, Henry
Inventor: Houbraken, Anna M. W. P.
Inventor: Houbraken, Anna M. W. P.
Inventor: Westhoff, Heinrich
Inventor: de Gruyter, Andre Paulus
Inventor: Houbraken, Anna M. W. P.
Inventor: Gavello, Louis E.