JS

John R. Shaffer

OS Optek Music Systems: 1 patents #1 of 1Top 100%
📍 San Jose, CA: #1,637 of 4,297 inventorsTop 40%
🗺 California: #14,783 of 41,698 inventorsTop 40%
Overall (2011): #257,299 of 364,097Top 75%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7863514 Methods and apparatus for transmitting finger positions to stringed instruments having a light-system 2011-01-04