DF

Douglas H. Fenske

DI Dresser Industries: 1 patents #301 of 787Top 40%
📍 Houston, TX: #12,319 of 21,073 inventorsTop 60%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #4,125,885 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4239736 Method for increasing the brightness of limestone — 1980-12-16