Inventor: Danziger, Gavriel
Inventor: Uebelhart, Georg
Inventor: Danziger, Gavriel
Inventor: Uebelhart, Georg
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: Willet N. Wandell
Inventor: Willet N. Wandell