Inventor: Danziger, Gavriel
Inventor: Shipley, Nicholas Benoit
Inventor: Danziger, Gavriel
Inventor: Pait, John, Attree, Stephen
Inventor: Heinrich, Westhoff
Inventor: Westhoff, Heinrich
Inventor: Lommerse, Henry
Inventor: Houbraken, Anna M. W. P.
Inventor: Houbraken, Anna M. W. P.
Inventor: Westhoff, Heinrich
Inventor: Unger, Michael H.
Inventor: Unger, Michael H.
Inventor: Heuver, Henry J. M.
Inventor: Moolenaar, Alfred Nicol
Inventor: Houbraken, Anna M. W. P.