Inventor: Burton, Stephen
Inventor: Vinson, Peter Edward
Inventor: de Jongh, Johannes Adrianus Petrus
Inventor: Niekerk, Johan Van
Inventor: Burton, Stephen
Inventor: Burton, Stephen
Inventor: Burton, Stephen
Inventor: van Niekerk, Johan
Inventor: van Niekerk, Johan
Inventor: Hutchins, Graham
Inventor: Bittner, Walter
Inventor: Tooby, Hubert J.
Inventor: Gavello, Louis E.
Inventor: Curran L. Garrett
Inventor: Jake T. Gruis, Terrance P. Riordan
Inventor: Durran L. Garrett, Joseph T. Mahoney