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Gary L. D'Heilly
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Savage, MN, US
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last 30 patents
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Patent Grant
Baffle system for anaerobic sewage treatment pond
Patent number
5,256,281
Issue date
Oct 26, 1993
The Lemna Corporation
Viet Ngo
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE