JB

Joel Butler

📍 Springfield, MO: #6 of 25 inventorsTop 25%
🗺 Missouri: #339 of 1,427 inventorsTop 25%
Overall (2004): #192,655 of 270,089Top 75%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6794932 Class D switching audio amplifier — 2004-09-21