Inventor: Danziger, Gavriel
Inventor: Burton, Stephen
Inventor: Danziger, Gavriel
Inventor: Ritchie, John Stanley
Inventor: Burton, Stephen
Inventor: Heinrich, Westhoff
Inventor: Burton, Stephen
Inventor: Westhoff, Heinrich
Inventor: Lommerse, Henry
Inventor: Houbraken, Anna M. W. P.
Inventor: Houbraken, Anna M. W. P.
Inventor: Ware, Richard G.
Inventor: Westhoff, Heinrich