JK

John C. Kaufman

📍 Vallejo, CA: #94 of 237 inventorsTop 40%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,614,431 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6059259 Pneumatic valve actuator utilizing force multiplication Roger J. Gregoire, Peter Szyperski 2000-05-09