Inventor: Danziger, Gavriel
Inventor: Uebelhart, Georg G.
Inventor: Danziger, Gavriel
Inventor: Sahin-Georgiadou, Elisabeth
Inventor: Heinrich, Westhoff
Inventor: Sahin, Elisabeth
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.
Inventor: Fielding, deceased, Hervey