FW

Frederick T. Welge

PE Petrolite: 1 patents #5 of 22Top 25%
📍 Affton, MO: #1 of 3 inventorsTop 35%
🗺 Missouri: #150 of 859 inventorsTop 20%
Overall (1989): #113,799 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4818410 Method of removing water soluble organics from oil process water Thomas J. Bellos, Roy W. Greenlee 1989-04-04