Inventor: Danziger, Gavriel
Inventor: Jones, Sidney James, Jones, David James
Inventor: Grosser, Jude W.
Inventor: Dobres, Michael S.
Inventor: Jones, Sidney James, Jones, David James
Inventor: Jones, Sidney James, Jones, David James
Inventor: Jones, Sidney James, Jones, David James
Inventor: Verhoef, Gijsbertus
Inventor: Rautenbach, Daniel Frederich
Inventor: Jones, Jimmy, Jones, David
Inventor: Jones, Jimmy, Jones, David
Inventor: Jones, Jimmy, Jones, David
Inventor: Jones, Jimmy, Jones, David
Inventor: Potgieter, Andre
Inventor: Kraan, Kees Jan
Inventor: Kraan, Kees Jan
Inventor: Kraan, Kees Jan
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Inventor: de Kroon, Marnix
Inventor: Ranney, Thomas G.
Inventor: Danziger, Gavriel