Inventor: Jacobs, Henricus Cornelius Maria
Inventor: Carroll, John Todd, Volotin, Norman
Inventor: Growns, Digby James
Inventor: Speichert, C. Greg
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.
Inventor: Bourgondien, C. J. Van
Inventor: Bourgondien, C. J. Van
Inventor: Bourgondien, C. J. Van
Inventor: Schroeder, Edward J.