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Clifford F. Frith
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Boulder, CO, US
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last 30 patents
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Patent Grant
Method for mixing coagulating agents into a contaminated water flow...
Patent number
5,616,250
Issue date
Apr 1, 1997
Aqua-Ion Systems
Dennis E. J. Johnson
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Patent Grant
System and reactor for mixing coagulating agents into a contaminate...
Patent number
5,443,719
Issue date
Aug 22, 1995
Aqua-Ion Systems, Inc.
Dennis E. J. Johnson
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE