Inventor: Kamstra, Silvan
Inventor: Klemm, Per, Mundinger-Flad, Traude
Inventor: van der Velden, Josephus M.
Inventor: Schoenmakers, Kees
Inventor: Cornelis, Daniel
Inventor: Danziger, Gabriel
Inventor: Danziger, Gabriel
Inventor: Danziger, Gabriel
Inventor: Butcher, John, Gooderham, Paul
Inventor: Hooijman, Aloysius A. J.
Inventor: Bartels, Gosen B. H.
Inventor: Danziger, Gabriel
Inventor: Danziger, Gabriel
Inventor: Bartels, Goos B. H.
Inventor: Stemkens, Henricus G. W.
Inventor: Enthoven, Adrianus W. M.
Inventor: Bradford, Virginia
Inventor: McGuire, Orvid E.
Inventor: Barcafer, Ellis H.