Inventor: Ranney, Thomas G.
Inventor: Vinson, Peter Edward
Inventor: de Boer, Petrus
Inventor: de Boer, Petrus
Inventor: de Jongh, Johannes Adrianus Petrus
Inventor: Stephens, Carroll Theodore
Inventor: Van Andel, Otto Jan Robert
Inventor: Van Andel, Otto Jan Robert
Inventor: Bittner, Walter
Inventor: Herrick, Robert D.
Inventor: Mills, Wayne J., Hampton, Katherine L.
Inventor: Hofland, G. Jack
Inventor: Niedfeldt, Carl J.