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Allan Sass
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Los Angeles, CA, US
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last 30 patents
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Patent Grant
Method for bulking full a retort
Patent number
4,449,753
Issue date
May 22, 1984
Occidental Oil Shale, Inc.
Thomas E. Ricketts
E21 - EARTH DRILLING MINING
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Patent Grant
Rock bolting techniques for forming an in situ oil shale retort
Patent number
4,281,877
Issue date
Aug 4, 1981
Occidental Oil Shale, Inc.
Allan Sass
E21 - EARTH DRILLING MINING