DH

David O. Halvorson

EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
📍 Beaumont, TX: #156 of 342 inventorsTop 50%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #4,104,818 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4184893 Pulsed rinse of particulate beds Walter J. Sloan 1980-01-22