DH20 L.L.C.

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Chicago, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for treating waste-activated sludge using electroporation
- Patent number 6,709,594
- Issue date Mar 23, 2004
- DH20, L.L.C.
- Jeffrey Held
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method of treating waste-activated sludge using electroporation
- Patent number 6,540,919
- Issue date Apr 1, 2003
- DH20 L.L.C.
- Jeffry Held
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for the molecular destruction of waste-activated sludge usin...
- Patent number 6,491,820
- Issue date Dec 10, 2002
- DH20 L.L.C.
- Jeffry Held
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

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