DB

David W. Buchwald

📍 Aurora, IL: #421 of 1,049 inventorsTop 45%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,200,715 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6598850 Butterfly valve locking apparatus — 2003-07-29
6543747 Valve actuator apparatus Purushottam Savalia 2003-04-08