DB

David A. Belcher

📍 Humble, TX: #277 of 498 inventorsTop 60%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,570,591 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6179526 Method for forming a pile isolation void David W. Knight, Paul Knight 2001-01-30