Inventor: Jacobs, Henricus Cornelius Maria
Inventor: Skelton, Donald Alfred
Inventor: Skelton, Donald Alfred
Inventor: Skelton, Donald Alfred
Inventor: Skelton, Donald
Inventor: Skelton, Donald
Inventor: Ranney, Thomas G.
Inventor: Ranney, Thomas G.
Inventor: Ranney, Thomas G.
Inventor: Skelton, Donald
Inventor: Skelton, Donald
Inventor: Skelton, Donald
Inventor: Skelton, Donald
Inventor: Skelton, Donald
Inventor: Fleuren, Henricus Marie Gerardus Carolus
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.