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Richard J. Eismin
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Salt Lake City, UT, US
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last 30 patents
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Patent Grant
Aerobic waste sludge digester-thickener orbital system and method
Patent number
4,940,545
Issue date
Jul 10, 1990
Baker Hughes, Inc.
David DiGregorio
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE