Robert B. Woltman

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Newberry Springs, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Treating means for bodies of water
- Patent number 4,308,138
- Issue date Dec 29, 1981
- Robert B. Woltman
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Treating device for large bodies of water
- Patent number 4,226,719
- Issue date Oct 7, 1980
- Robert B. Woltman
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE