JC

James E. Coffman

DR Dresser-Rand: 1 patents #2 of 20Top 10%
📍 Boulder, CO: #94 of 322 inventorsTop 30%
🗺 Colorado: #422 of 1,967 inventorsTop 25%
Overall (1997): #136,781 of 185,788Top 75%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5662180 Percussion drill assembly Paul W. Crites, Paul Campbell 1997-09-02