John L. Bills

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Oklahoma City, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Processes for the production of deashed coal
- Patent number 4,119,523
- Issue date Oct 10, 1978
- Kerr-McGee Corporation
- Roger A. Baldwin
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...