Inventor: Jacobs, Henricus Cornelius Maria
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: Jacobsen, Peter
Inventor: Hollingsworth, Donald
Inventor: Rudolph, Nathan H.