Denny L. Melin

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Anoka, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Water treatment apparatus
- Patent number 4,385,987
- Issue date May 31, 1983
- Geo. A. Hormel & Company
- Charles M. McGinley
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE