Inventor: Greyvenstein, Ockert F. C.
Inventor: Cavett, James David
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Inventor: Skotak, Chester
Inventor: Membrey, Stephen, Jackson, Bryan
Inventor: Cavett, James David
Inventor: Stemkens, Henricus G. W.
Inventor: Unger, Christiaan
Inventor: Shibamichi, Akira
Inventor: Kobayashi, Kazuhara
Inventor: de Castro Filho, Estevam Emygdio