JM

John M. McCollum

DI Dresser Industries: 1 patents #301 of 787Top 40%
📍 Wexford, PA: #268 of 413 inventorsTop 65%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,895,805 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4900249 Aluminum reverberatory furnace lining John N. Snyder 1990-02-13