OL

Orville I. Ludwigsen

UO Uop: 1 patents #1,172 of 1,854Top 65%
📍 Prospect Heights, IL: #99 of 165 inventorsTop 60%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,915,538 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4971767 Manway cooler--method and apparatus Carlos A. Cabrera 1990-11-20