Ronald A. Cudnik

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Westerville, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Non-condensing dual temperature combination space heating and hot w...
- Patent number 5,687,908
- Issue date Nov 18, 1997
- Gas Research Institute
- Sherwood G. Talbert
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Common vent device for positive vent pressure and draft hood equipp...
- Patent number 4,768,444
- Issue date Sep 6, 1988
- Gas Research Institute
- Douglas W. DeWerth
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES