Inventor: Danziger, Gavriel
Inventor: Danziger, Gavriel
Inventor: Heinrich, Westhoff
Inventor: Peterson, Robert Neal
Inventor: Westhoff, Heinrich
Inventor: Lommerse, Henry
Inventor: Houbraken, Anna M. W. P.
Inventor: Houbraken, Anna M. W. P.
Inventor: Westhoff, Heinrich
Inventor: Peterson, Robert Neal
Inventor: Peterson, Robert Neal
Inventor: Houbraken, Anna M. W. P.
Inventor: Hickerson, Norman E.
Inventor: Marion R. Mulford