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Seung Yeon Won
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Incheon-shi, KR
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last 30 patents
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Patent Grant
Musical instrument with a body made of polyurethane foam
Patent number
6,686,522
Issue date
Feb 3, 2004
Shinko Corporation
Seung Yeon Won
G10 - MUSICAL INSTRUMENTS ACOUSTICS
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last 30 patents
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Patent Application
Musical instrument with a body made of polyurethane foam
Publication number
20020033088
Publication date
Mar 21, 2002
Seung Yeon Won
G10 - MUSICAL INSTRUMENTS ACOUSTICS