DU

David R. Underdown

Chevron: 1 patents #49 of 156Top 35%
📍 Conroe, TX: #15 of 66 inventorsTop 25%
🗺 Texas: #2,440 of 8,590 inventorsTop 30%
Overall (2002): #231,717 of 266,432Top 90%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6454836 Method and apparatus for wellbore gas separation Mark H. Koelmel, Stephen J. Miller, Curtis L. Munson, Rick A. Wright, Jean P. Camy +2 more 2002-09-24