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Edgar Joseph Berdahl
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San Fransico, CA, US
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last 30 patents
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Patent Grant
Stringed instrument with active string termination motion control
Patent number
8,450,593
Issue date
May 28, 2013
Paul F. Ierymenko
G10 - MUSICAL INSTRUMENTS ACOUSTICS
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last 30 patents
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Patent Application
STRINGED INSTRUMENT WITH ACTIVE STRING TERMINATION MOTION CONTROL
Publication number
20130255477
Publication date
Oct 3, 2013
Paul F. Ierymenko
G10 - MUSICAL INSTRUMENTS ACOUSTICS