Inventor: Scheffers, Robertus
Inventor: Scheffers, Robertus
Inventor: Bak, Elly, Steur, Nicolaas D. M.
Inventor: Bak, Elly, Steur, Nicolaas D. M.
Inventor: Wandell, Willet N.
Inventor: Moore, Ralph S.
Inventor: George Y. Umeda, Daniel S. Shinoda
Inventor: William Warriner
Inventor: William A. Warriner
Inventor: Robert G. Jelly
Inventor: William A. Warriner
Inventor: Hideharu Henry Kuramoto
Inventor: William A. Warriner
Inventor: William A. Warriner
Inventor: Georges Alphonse Delba
Inventor: Floor A.G. van Engelen
Inventor: William A. Warriner