Inventor: Greyvenstein, Ockert F. C.
Inventor: Turpin, Susanna
Inventor: Turpin, Susanna
Inventor: Hjeltnes, Stein Harald
Inventor: Thibault, Bernard
Inventor: Hart, Roy, Brewer, Lester Raymond
Inventor: Ranney, Thomas G.
Inventor: Stemkens, Henricus Godefridus Wilhelmus
Inventor: Membrey, Stephen, Jackson, Bryan
Inventor: Kopan, Volodymyr
Inventor: Stemkens, Henricus G. W.
Inventor: Unger, Christiaan