Gerhard Granek

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North York, CA

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Patents Grantslast 30 patents

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Venturi type air distribution system
- Patent number 6,623,353
- Issue date Sep 23, 2003
- Air Handling Engineering Ltd.
- Salman Akhtar
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Venturi type air distribution system
- Patent number 6,213,867
- Issue date Apr 10, 2001
- Air Handling Engineering Ltd.
- Muammer Yazici
- F24 - HEATING RANGES VENTILATING