Inventor: de Boer, Petrus
Inventor: de Boer, Petrus
Inventor: Walvatne, Bradley C.
Inventor: Van Andel, Otto Jan Robert
Inventor: Van Andel, Otto Jan Robert
Inventor: Kolster, Pieter
Inventor: Sanders-van Harn, Adriana Christina Bastiana
Inventor: Herrick, Robert D.
Inventor: Mills, Wayne J., Hampton, Katherine L.
Inventor: Hofland, G. Jack
Inventor: Richard A. Hensz
Inventor: McReynolds, Judson J., Peacock, Oliver L.
Inventor: Niedfeldt, Carl J.
Inventor: Henninger, Albert E.