Inventor: de Boer, Petrus
Inventor: de Boer, Petrus
Inventor: Sahin-Georgiadou, Elisabeth
Inventor: Maness, Thurman
Inventor: Sahin, Elisabeth
Inventor: Van Andel, Otto Jan Robert
Inventor: Heims, Daniel M.
Inventor: Heims, Daniel M.
Inventor: Van Andel, Otto Jan Robert
Inventor: Ballantyne, Diana
Inventor: Fielding, deceased, Hervey
Inventor: Herrick, Robert D.
Inventor: Mills, Wayne J., Hampton, Katherine L.
Inventor: Hofland, G. Jack
Inventor: Niedfeldt, Carl J.