Hampton Roads Sanitation District of the Commonwealth of Virginia

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Virginia Beach, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
High-rate biological waste water treatment process using activated...
- Patent number 4,867,883
- Issue date Sep 19, 1989
- Hampton Roads Sanitation District of the Commonwealth of Virginia
- Glen T. Daigger
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE