AO

Alfred W. Oberhofer

NC Nalco Chemical: 2 patents #225 of 631Top 40%
📍 Downers Grove, IL: #336 of 824 inventorsTop 45%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,338,658 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4770790 Treatment and prevention of fouled water treatment solids 1988-09-13
4657785 Use of benzo and tolyltriazole as copper corrosion inhibitors for boiler condensate systems John A. Kelly, David A. Grattan 1987-04-14