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: Pieters, Luc, De Meyer, Caroline
Inventor: Pieters, Luc, De Meyer, Caroline
Inventor: Pieters, Luc, De Meyer, Caroline
Inventor: Skotak, Jr., Chester
Inventor: Skotak, Jr., Chester