Inventor: Danziger, Gavriel
Inventor: Kapiteijn, Antonius Simon Johannes
Inventor: Kapiteijn, Antonius Simon Johannes
Inventor: Danziger, Gavriel
Inventor: Kapiteijn, Anthonius Simon Johannes
Inventor: Kapiteijn, Anthonius Simon Johannes
Inventor: Klaver, Theo C. M.
Inventor: Kapiteijn, Anthonius Simon-Johannes
Inventor: Heinrich, Westhoff
Inventor: Kapiteijn, Antonius S. J.
Inventor: Kapiteijn, Antonius S. J.
Inventor: Westhoff, Heinrich
Inventor: Lommerse, Henry
Inventor: Houbraken, Anna M. W. P.
Inventor: Heims, Daniel M., Patterson, Frank
Inventor: Houbraken, Anna M. W. P.
Inventor: Westhoff, Heinrich