John David Williams

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Tyler, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Packaged HVAC unit with secondary system capability
- Patent number 10,274,228
- Issue date Apr 30, 2019
- TRANE INTERNATIONAL INC.
- Mark E. Groskreutz
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
PACKAGED HVAC UNIT WITH SECONDARY SYSTEM CAPABILITY
- Publication number 20170314820
- Publication date Nov 2, 2017
- TRANE INTERNATIONAL INC.
- Mark E. Groskreutz
- F24 - HEATING RANGES VENTILATING