David G. Bois

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Lino Lakes, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Heat pump system with auxiliary heat exchanger
- Patent number 9,534,818
- Issue date Jan 3, 2017
- SI2 Industries, LLC
- David G. Bois
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
HEAT PUMP SYSTEM
- Publication number 20130180266
- Publication date Jul 18, 2013
- SCHWAB-VOLLHABER-LUBRATT, INC.
- David G. Bois
- F24 - HEATING RANGES VENTILATING