Inventor: van Langen, Gerard
Inventor: van Langen, Gerard
Inventor: van Langen, Gerard
Inventor: Ault, James Robert
Inventor: Ault, James Robert
Inventor: Smit, Obed Jacob
Inventor: Jacobs, Henricus Cornelius Maria
Inventor: Smit, Obed Jacob
Inventor: Ceballos, Matias Eduardo Avendano
Inventor: Jensen, Bent Juhl
Inventor: Kanazawa, Yoshiki