DC

Donald F. Cairns

NS National Steel: 1 patents #3 of 15Top 20%
📍 Webster Groves, MO: #3 of 7 inventorsTop 45%
🗺 Missouri: #96 of 645 inventorsTop 15%
Overall (1982): #69,072 of 81,411Top 85%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4330372 Coke oven emission control method and apparatus Daniel Metzger 1982-05-18