Allen M. Ammerman

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McPherson, KS, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for extracting bitumen from tar sands
- Patent number 4,229,281
- Issue date Oct 21, 1980
- Phillips Petroleum Company
- Henry E. Alquist
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...