Inventor: Danziger, Gavriel
Inventor: van der Velden, Josephus M.
Inventor: Danziger, Gavriel
Inventor: Heinrich, Westhoff
Inventor: Schoenmakers, Kees
Inventor: Cornelis, Daniel
Inventor: Westhoff, Heinrich
Inventor: Lommerse, Henry
Inventor: Houbraken, Anna M. W. P.
Inventor: Houbraken, Anna M. W. P.
Inventor: Van Der Knaap, Henricus G. J.
Inventor: Van Der Knaap, Henricus G. J.
Inventor: Westhoff, Heinrich
Inventor: Ibes, Wim J. M.
Inventor: Houbraken, Anna M. W. P.
Inventor: Van Wingerden, John