Inventor: Saul, Robert Mark
Inventor: Jacobs, Henricus Cornelius Maria
Inventor: Doyle, James, Ferguson, Louise
Inventor: Bremer, Hinrich
Inventor: Troelstra, Johan
Inventor: Bakhuijzen, Arie
Inventor: Verhoef, Gijsbertus
Inventor: Plattner, Anton
Inventor: van Andel, Jacob
Inventor: van Andel, Jacob
Inventor: van Andel, Jacob
Inventor: van Andel, Jacob
Inventor: van Andel, Jacob
Inventor: van Andel, Jacob
Inventor: van Andel, Jacob
Inventor: van Andel, Jacob
Inventor: Espinosa, Gavin
Inventor: Albert Aspeslagh, August van Speybrouck
Inventor: Hoogervorst, Wilhemus A.
Inventor: Vosters, James B.
Inventor: Bourgondien, Cornelium J. Van
Inventor: Frazee, Earl Nichols