Inventor: van Langen, Gerard
Inventor: van Langen, Gerard
Inventor: van Langen, Gerard
Inventor: Smit, Obed Jacob
Inventor: Smit, Obed Jacob
Inventor: Ceballos, Matias Eduardo Avendano
Inventor: O'Neill, Jerome
Inventor: Skelton, Donald Alfred
Inventor: Iredell, Janet Willa, Iredell, Peter Dawborn
Inventor: van Rijn, Leonardus
Inventor: van Rijn, Leonardus
Inventor: Iredell, Janet Willa, Iredell, Peter Dawborn
Inventor: Iredell, Janet Willa, Iredell, Peter Dawborn