FL

F. Allen Lehman

KE Kerr-Mcgee: 2 patents #15 of 61Top 25%
📍 Oklahoma City, OK: #470 of 1,463 inventorsTop 35%
🗺 Oklahoma: #4,502 of 12,736 inventorsTop 40%
Overall (All Time): #2,345,949 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4562739 Production monitoring system William M. Sleffel, Malcolm G. Ray 1986-01-07
4481503 Production monitoring system William M. Sleffel, Malcolm G. Ray 1984-11-06