Inventor: Danziger, Gavriel
Inventor: Mak, Niels Johannes Cornelis
Inventor: Danziger, Gavriel
Inventor: Mak, Niels Johannes Cornelis
Inventor: Mak, Niels Johannes Cornelis
Inventor: Mak, Niels Johannes Cornelis
Inventor: Jones, Sidney James, Jones, David James
Inventor: Jones, Sidney James, Jones, David James
Inventor: Jones, Sidney James, Jones, David James
Inventor: Jones, Sidney James, Jones, David James
Inventor: Warren, Andrew Geoffrey Fiennes, Spaans, Jacobus Petrus
Inventor: Jones, Jimmy, Jones, David
Inventor: Jones, Jimmy, Jones, David
Inventor: Jones, Jimmy, Jones, David
Inventor: Jones, Jimmy, Jones, David
Inventor: Warren, Andrew G. F., Spaans, Jacobus P.
Inventor: Mak, Niels Johannes Cornelis
Inventor: Mak, Niels Johannes Cornelis
Inventor: Mak, Niels Johannes Cornelis
Inventor: Mak, Niels Johannes Cornelis