Inventor: de Boer, Petrus
Inventor: de Boer, Petrus
Inventor: Van Blokland, Robbert G. C.
Inventor: Meiland, Jacobus Hendrikus
Inventor: Van Andel, Otto Jan Robert
Inventor: Van Andel, Otto Jan Robert
Inventor: Rother, Reinhard W.
Inventor: Rother, Reinhard W.
Inventor: Rother, Reinhard W.
Inventor: Herrick, Robert D.
Inventor: Mills, Wayne J., Hampton, Katherine L.
Inventor: Hofland, G. Jack
Inventor: Niedfeldt, Carl J.