Inventor: Holtkamp, Jr., Reinhold
Inventor: van Duijn, Jan Mark
Inventor: Hansen, Hans A.
Inventor: Jacobs, Henricus Cornelius Maria
Inventor: Crawford, James
Inventor: Fransen, Marco J. W.
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: Hoogervorst, Wilhemus A.
Inventor: Bourgondien, Cornelium J. Van
Inventor: Frazee, Earl Nichols
Inventor: Frazee, Earl N.