Edward B. Congdon

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Eden Prairie, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Economizer for a steam generator
- Patent number 7,621,237
- Issue date Nov 24, 2009
- HRST, Inc.
- Robert J. Krowech
- F22 - STEAM GENERATION

Patents Applicationslast 30 patents

Information Patent Application
Economizer for a steam generator
- Publication number 20090050079
- Publication date Feb 26, 2009
- Robert J. Krowech
- F22 - STEAM GENERATION