Inventor: de Boer, Petrus
Inventor: de Boer, Petrus
Inventor: Van Andel, Otto Jan Robert
Inventor: Van Andel, Otto Jan Robert
Inventor: Herrick, Robert D.
Inventor: Franz, Lloyd W.
Inventor: Mills, Wayne J., Hampton, Katherine L.
Inventor: Hofland, G. Jack
Inventor: van Heiningen, Dirk
Inventor: John A. Youdath
Inventor: Fay E. Triplett
Inventor: Luther R. Stohl
Inventor: Fujihara, Paul K.
Inventor: Niedfeldt, Carl J.