Inventor: Kamstra, Silvan
Inventor: Klemm, Per, Mundinger-Flad, Traude
Inventor: de Looff, Tonny M.
Inventor: de Looff, Tonny M.
Inventor: Danziger, Gabriel
Inventor: Danziger, Gabriel
Inventor: Danziger, Gabriel
Inventor: Butcher, John, Gooderham, Paul
Inventor: Blay, John William, Blay, Violet Marilyn
Inventor: Hooijman, Aloysius A. J.
Inventor: Bartels, Gosen B. H.
Inventor: Danziger, Gabriel
Inventor: Danziger, Gabriel
Inventor: Van der Salm, Catherine Joy, Freeman, Judith Louise
Inventor: Bartels, Goos B. H.
Inventor: Hoff, Petrus M. M.
Inventor: Hoff, Petrus M. M.
Inventor: Hoff, Petrus M. M.
Inventor: Hoff, Petrus M. M.