Inventor: de Boer, Petrus
Inventor: de Boer, Petrus
Inventor: Van Andel, Otto Jan Robert
Inventor: Van Andel, Otto Jan Robert
Inventor: Michalik, Andrea
Inventor: Michalik, Andrea
Inventor: Herrick, Robert D.
Inventor: Mills, Wayne J., Hampton, Katherine L.
Inventor: Hofland, G. Jack
Inventor: Pike, Albert Victor
Inventor: Pike, Albert Victor
Inventor: Schmidt, Paul J.
Inventor: Niedfeldt, Carl J.
Inventor: Schmidt, Paul J.
Inventor: Schmidt, Paul J.
Inventor: Lucal, Karle A.
Inventor: Lucal, Karle A.
Inventor: Tarnok, Sigmund