MR

Malcolm G. Ray

KE Kerr-Mcgee: 2 patents #15 of 61Top 25%
Overall (All Time): #2,345,948 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4562739 Production monitoring system F. Allen Lehman, William M. Sleffel 1986-01-07
4481503 Production monitoring system F. Allen Lehman, William M. Sleffel 1984-11-06