Inventor: Greyvenstein, Ockert F. C.
Inventor: Stemkens, Henricus Godefridus Wilhelmus
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Inventor: Yandall, Stephen, Yandall, Susan
Inventor: Stemkens, Henricus G. W.
Inventor: Unger, Christiaan
Inventor: Head, Robert Harold, Head, Lisa Jones
Inventor: Unger, Michael Helmet
Inventor: Rother, Reinhard W.
Inventor: Pottberg, Clifton F.