Inventor: Bean, Quinton, de Wet, Charles Andrew
Inventor: Wiegman, Jan Dawid
Inventor: Kremer-Kohne, Sylvie
Inventor: van der Walt, Ivan
Inventor: Jamieson, Richard
Inventor: Esselen, Leon Leipoldt
Inventor: Kleynhans, Riana
Inventor: Kleynhans, Riana
Inventor: Kleynhans, Riana
Inventor: Kleynhans, Riana
Inventor: Kleynhans, Riana
Inventor: Kleynhans, Riana
Inventor: van den Heever, Frans Albertus