Inventor: de Ruyver, Kurt
Inventor: Jacobs, Henricus Cornelius Maria
Inventor: Talmadge, Paul A.
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: Hartley, Richard R., Hartley, Kathleen R.
Inventor: Hollingsworth, Donald