Chris B. Check

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Wausau, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for determining the efficiency of an air preco...
- Patent number 6,505,502
- Issue date Jan 14, 2003
- Greenheck Fan Corp.
- Kyle A. Brownell
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Direct gas-fired heating and ventilation system with passive contro...
- Patent number 5,915,960
- Issue date Jun 29, 1999
- Greenheck Fan Corporation
- Chris B. Check
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Ventilation system for conveyor oven
- Patent number 5,673,681
- Issue date Oct 7, 1997
- Greenheck Fan Corporation
- Emery W. Neitzel
- A21 - BAKING EDIBLE DOUGHS