Inventor: Danziger, Gavriel
Inventor: Scheffers, Ruud
Inventor: Danziger, Gavriel
Inventor: Heinrich, Westhoff
Inventor: Morrow, Robert William
Inventor: Crowther, Albert Timothy
Inventor: Westhoff, Heinrich
Inventor: Lommerse, Henry
Inventor: Houbraken, Anna M. W. P.
Inventor: Houbraken, Anna M. W. P.
Inventor: Westhoff, Heinrich
Inventor: Villa, Gerardo L.
Inventor: Houbraken, Anna M. W. P.
Inventor: Riley, Rodney J.
Inventor: Whiting, Hubert F.