Inventor: Verhoef, Gijsbertus
Inventor: Burton, Stephen
Inventor: Durand, James Richard
Inventor: Niekerk, Johan Van
Inventor: Burton, Stephen
Inventor: Zlesak, David Charles
Inventor: Schuurbiers, Marinus Martinus Hendrikus
Inventor: Burton, Stephen
Inventor: Burton, Stephen
Inventor: Wood, Timothy D.
Inventor: van Niekerk, Johan
Inventor: van Niekerk, Johan
Inventor: de Koning, Eleonore
Inventor: DeWelt, James Peter
Inventor: Tuite, Jonathan
Inventor: Oudshoorn, Hubertus Gerardus