Isaac Daniel Derr

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Chapel Hill, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Stringed instrument plectrum having an inlaid center portion
- Patent number 11,699,418
- Issue date Jul 11, 2023
- Isaac Daniel Derr
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Broad spectrum audio device designed to accelerate the maturation o...
- Patent number 11,670,268
- Issue date Jun 6, 2023
- Gerald Francis Brown
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Plectrum sheath designed to retain a single plectrum
- Patent number 11,430,416
- Issue date Aug 30, 2022
- Gerald Francis Brown
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Broad spectrum audio device designed to accelerate the maturation o...
- Publication number 20220415292
- Publication date Dec 29, 2022
- Gerald Francis Brown
- G10 - MUSICAL INSTRUMENTS ACOUSTICS