Bob COWIN

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Ottawa, CA

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Patents Grantslast 30 patents

Information Patent Grant
Hydrant flushing device
- Patent number 9,010,656
- Issue date Apr 21, 2015
- Bob Cowin
- E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

Information Patent Application
HYDRANT FLUSHING DEVICE
- Publication number 20140026967
- Publication date Jan 30, 2014
- Bob COWIN
- E03 - WATER SUPPLY SEWERAGE