The Lemma Corporation

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Mendota Heights, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Floating aquatic plant treatment system with porous system
- Patent number 5,342,512
- Issue date Aug 30, 1994
- The Lemma Corporation
- Viet H. Ngo
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE