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Ralph L. McHugh
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Sherborn, MA, US
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last 30 patents
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Patent Grant
Instrument trigger system and methods of use
Patent number
9,691,363
Issue date
Jun 27, 2017
David J. McHugh
G10 - MUSICAL INSTRUMENTS ACOUSTICS
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last 30 patents
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Patent Application
INSTRUMENT TRIGGER SYSTEM AND METHODS OF USE
Publication number
20170018261
Publication date
Jan 19, 2017
David J. McHugh
G10 - MUSICAL INSTRUMENTS ACOUSTICS