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Siegfried Eppinger
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Trossingen, DE
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last 30 patents
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Patent Grant
Potentiometer device
Patent number
4,780,701
Issue date
Oct 25, 1988
Siegfried Eppinger
G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Patent Grant
Electronic keyboard musical instrument with processing of depressio...
Patent number
4,765,218
Issue date
Aug 23, 1988
Matth. Hohner AG
Siegfried Eppinger
G10 - MUSICAL INSTRUMENTS ACOUSTICS