Darrell D. Porter

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Englewood, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Shale oil explosives
- Patent number 4,475,965
- Issue date Oct 9, 1984
- Standard Oil Company (Indiana)
- Earl D. York
- C06 - EXPLOSIVES MATCHES
Information Patent Grant
Oil shale retorting process for producing explosives
- Patent number 4,474,629
- Issue date Oct 2, 1984
- Standard Oil Company (Indiana)
- Earl D. York
- C06 - EXPLOSIVES MATCHES
Information Patent Grant
In situ retorting with flame front-stabilizing layer of lean oil sh...
- Patent number 4,435,016
- Issue date Mar 6, 1984
- Standard Oil Company (Indiana)
- Herman Wissenberg
- E21 - EARTH DRILLING MINING