David M. Christie

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Freeville, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Steam boiler
- Patent number 7,823,544
- Issue date Nov 2, 2010
- ECR International, Inc.
- David M. Christie
- F22 - STEAM GENERATION

Patents Applicationslast 30 patents

Information Patent Application
Steam boiler
- Publication number 20090173292
- Publication date Jul 9, 2009
- David M. Christie
- F22 - STEAM GENERATION