Inventor: de Boer, Petrus
Inventor: de Boer, Petrus
Inventor: Wezelenburg, Jan-Willem
Inventor: Van Andel, Otto Jan Robert
Inventor: Van Andel, Otto Jan Robert
Inventor: Cleveland, David Hendricks
Inventor: Herrick, Robert D.
Inventor: Mills, Wayne J., Hampton, Katherine L.
Inventor: Wandell, Willet N.
Inventor: Hofland, G. Jack
Inventor: Curran L. Garrett
Inventor: Jake T. Gruis, Terrance P. Riordan
Inventor: Durran L. Garrett, Joseph T. Mahoney
Inventor: William Flemer, Jr.
Inventor: William Flemer, Jr.
Inventor: Niedfeldt, Carl J.