David A. Greene

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Greensburg, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Swimming pool, spa, or combination swimming pool and spa, heated wi...
- Patent number 7,721,360
- Issue date May 25, 2010
- United States Thermoamp Inc.
- William P. Bernardi
- F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Swimming pool, spa, or combination swimming pool and spa, heated wi...
- Publication number 20070006373
- Publication date Jan 11, 2007
- William P. Bernardi
- F28 - HEAT EXCHANGE IN GENERAL