JS

John Richard Shaffer

UN Unknown: 2 patents #12,644 of 83,584Top 20%
📍 San Jose, CA: #17,604 of 32,062 inventorsTop 55%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,154,132 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7173175 Stringed instrument fingerboard for use with a light-system — 2007-02-06
5266735 Music training instrument and method Craig Bradley 1993-11-30