JW

Jack E. Washburn

📍 Buckeye, AZ: #31 of 71 inventorsTop 45%
🗺 Arizona: #18,403 of 32,909 inventorsTop 60%
Overall (All Time): #4,027,412 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4424039 Mathematics teaching device — 1984-01-03