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Norbert ECKERMANN
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Wien, AT
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last 30 patents
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Patent Grant
Resonance mechanism for drums (membranophones)
Patent number
8,766,073
Issue date
Jul 1, 2014
Roland Meinl Musikinstrumente GmbH & Co. KG
Norbert Eckermann
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Patents Applications
last 30 patents
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Patent Application
Resonance mechanism for drums (Membranophones)
Publication number
20120325072
Publication date
Dec 27, 2012
Roland Meinl Musikinstrumente GmbH & Co. KG
Norbert ECKERMANN
G10 - MUSICAL INSTRUMENTS ACOUSTICS