John Harrell

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Santee, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Stringed instrument apparatus and methods
- Patent number 9,412,344
- Issue date Aug 9, 2016
- Marc DeLong
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
STRINGED INSTRUMENT APPARATUS AND METHODS
- Publication number 20130174709
- Publication date Jul 11, 2013
- Mark DeLong
- G10 - MUSICAL INSTRUMENTS ACOUSTICS