Inventor: Jacobs, Henricus Cornelius Maria
Inventor: Hull, George Edward
Inventor: Hull, George Edward
Inventor: Hull, George E.
Inventor: Tristram, David
Inventor: Tristram, David
Inventor: Pomeroy, Kevin, Gooderham, Paul
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