Jerrilyn J. Roblin-Porter

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San Mateo, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Cantilevered guitar hand placement guide and support bar
- Patent number 9,928,812
- Issue date Mar 27, 2018
- Russell K. Porter
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Guitar hand placement guide and support bar
- Patent number 9,576,562
- Issue date Feb 21, 2017
- Russell K. Porter
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
CANTILEVERED GUITAR HAND PLACEMENT GUIDE AND SUPPORT BAR
- Publication number 20180053492
- Publication date Feb 22, 2018
- Russell K. Porter
- G10 - MUSICAL INSTRUMENTS ACOUSTICS