Inventor: van Langen, Gerard
Inventor: van Langen, Gerard
Inventor: van Langen, Gerard
Inventor: van Duijn, Jan Mark
Inventor: Smit, Obed Jacob
Inventor: Hansen, Hans A.
Inventor: Smit, Obed Jacob
Inventor: Ceballos, Matias Eduardo Avendano
Inventor: Kanazawa, Yoshiki
Inventor: Hull, George Edward
Inventor: Hull, George Edward