Inventor: Danziger, Gavriel
Inventor: Danziger, Gavriel
Inventor: Timmermans, Wilhelmus, Timmermans-Peters, Wilhelmina
Inventor: Heinrich, Westhoff
Inventor: Fairweather, Christopher
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.