Marvin C. Allen — 1 Patent at Conoco

Marvin C. Allen has been granted 1 US patent while listed as an inventor at Conoco. All of these patents were granted in 1988. Marvin C. Allen ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Marvin C. Allen in Ponca City, OK, US.

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4739654	Method and apparatus for downhole chromatography	Paul E. Pilkington, Mark P. DiStefano	1988-04-26

Marvin C. Allen — 1 Patent

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