Dennis Jay Martin

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East Berlin, PA, US

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Patents Applicationslast 30 patents

Information Patent Application
U-shaped heat exchanger tube with a concavity formed into its retur...
- Publication number 20070221365
- Publication date Sep 27, 2007
- Evapco, Inc.
- Dennis Jay Martin
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...