Colin G. Grieves

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Oswego, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Oil shale retorting and retort water purification process
- Patent number 4,585,063
- Issue date Apr 29, 1986
- Standard Oil Company (Indiana)
- Dean G. Venardos
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Oil shale retorting and retort water purification process
- Patent number 4,495,056
- Issue date Jan 22, 1985
- Standard Oil Company (Indiana)
- Dean G. Venardos
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...