John Ingalls

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Juneau, AK, US

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Patents Grantslast 30 patents

Information Patent Grant
Musical instrument
- Patent number 9,275,614
- Issue date Mar 1, 2016
- John Ingalls
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Musical Instrument
- Publication number 20150040739
- Publication date Feb 12, 2015
- John Ingalls
- G10 - MUSICAL INSTRUMENTS ACOUSTICS