Inventor: de Ruyver, Kurt
Inventor: Burton, Stephen
Inventor: Niekerk, Johan Van
Inventor: Burton, Stephen
Inventor: Burton, Stephen
Inventor: Burton, Stephen
Inventor: van Niekerk, Johan
Inventor: van Niekerk, Johan
Inventor: Grech, Nigel, Ekenler, Ercan
Inventor: Talmadge, Paul A.
Inventor: Hutchins, Graham
Inventor: Tooby, Hubert J.
Inventor: Hartley, Richard R., Hartley, Kathleen R.
Inventor: Gavello, Louis E.