Inventor: Danziger, Gavriel
Inventor: Hendricks, William
Inventor: Danziger, Gavriel
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: de Jong, John M. F.
Inventor: de Jong, John M. F.
Inventor: de Jong, John M. F.
Inventor: Houbraken, Anna M. W. P.
Inventor: Glenn, Michael M.
Inventor: de Jong, John M. F.
Inventor: de Jong, John M. F.
Inventor: de Jong, John M. F.