William Gelvin

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San Diego, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Pickup for stringed instrument
- Patent number 9,165,545
- Issue date Oct 20, 2015
- William Gelvin
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
PICKUP FOR STRINGED INSTRUMENT
- Publication number 20140245877
- Publication date Sep 4, 2014
- William Gelvin
- G10 - MUSICAL INSTRUMENTS ACOUSTICS