Inventor: Greyvenstein, Ockert F. C.
Inventor: Stemkens, Henricus Godefridus Wilhelmus
Inventor: Bernuetz, Andrew
Inventor: Membrey, Stephen, Jackson, Bryan
Inventor: Bernuetz, Andrew
Inventor: Bernuetz, Andrew
Inventor: Bernuetz, Andrew
Inventor: Klemm, Nils, Glawe, Martin
Inventor: Klemm, Nils, Glawe, Martin
Inventor: Stemkens, Henricus G. W.
Inventor: Unger, Christiaan
Inventor: Bernuetz, Andrew