Thomas Charles KORAN

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Warba, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable backflow prevention device
- Patent number 8,118,053
- Issue date Feb 21, 2012
- Thomas Charles Koran
- E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

Information Patent Application
ADJUSTABLE BACKFLOW PREVENTION DEVICE
- Publication number 20090301566
- Publication date Dec 10, 2009
- Thomas Charles KORAN
- E03 - WATER SUPPLY SEWERAGE