DC

Donald F. Cairns

NS National Steel: 1 patents #17 of 84Top 25%
📍 Webster Groves, MO: #131 of 205 inventorsTop 65%
🗺 Missouri: #13,067 of 23,789 inventorsTop 55%
Overall (All Time): #4,069,926 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

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