Daniel Wai-tak Wong

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Portable water treatment method
- Patent number 8,226,832
- Issue date Jul 24, 2012
- NCH Ecoservices, LLC
- Jerome F. Angelilli
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE