Inventor: Ault, James Robert
Inventor: Ault, James Robert
Inventor: Mak, Niels Johannes Cornelis
Inventor: Jacobs, Henricus Cornelius Maria
Inventor: Jensen, Bent Juhl
Inventor: Mak, Niels Johannes Cornelis
Inventor: Mak, Niels Johannes Cornelis
Inventor: Mak, Niels Johannes Cornelis
Inventor: Warren, Andrew Geoffrey Fiennes, Spaans, Jacobus Petrus
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
Inventor: Mak, Niels Johannes Cornelis
Inventor: Randag, Cecilius Jan-Jochem
Inventor: Mak, Niels Johannes Cornelis
Inventor: Randag, Cecilius Jan-Jochem
Inventor: Randag, Cecilius Jan-Jochem
Inventor: Kristiansen, Kell
Inventor: Apps, Darrel A.
Inventor: Beekenkamp, Annie Cornelia