Inventor: Jacobs, Henricus Cornelius Maria
Inventor: de Ruiter, Hendrik Marinus
Inventor: Smith, Donald Robert
Inventor: Smith, Donald Robert
Inventor: Smith, Donald Robert
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: Serpa, Frank J.
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.
Inventor: Morgan, William Pitt