Robert S. Hedin

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Pittsburgh, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Recovery of iron oxides from polluted coal mine drainage
- Patent number 5,954,969
- Issue date Sep 21, 1999
- Robert S. Hedin
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
Treatment of Organic Contaminated Water with Manganese Oxide Media
- Publication number 20170253507
- Publication date Sep 7, 2017
- Robert S. Hedin
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE