Robin Y. P. Ong

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Lexington, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Fuel cell power supply system
- Patent number 6,649,289
- Issue date Nov 18, 2003
- Ztek Corporation
- Michael S. Hsu
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Off-board station and an electricity exchanging system suitable for...
- Patent number 6,380,637
- Issue date Apr 30, 2002
- Ztek Corporation
- Michael S. Hsu
- B60 - VEHICLES IN GENERAL
Information Patent Grant
System for electric generation, heating, cooling, and ventilation
- Patent number 6,054,229
- Issue date Apr 25, 2000
- Ztek Corporation
- Michael S. Hsu
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Fuel cell power supply system
- Patent number 5,858,568
- Issue date Jan 12, 1999
- Ztek Corporation
- Michael S. Hsu
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
FUEL CELL POWER SUPPLY SYSTEM
- Publication number 20030059654
- Publication date Mar 27, 2003
- MICHAEL S. HSU
- B60 - VEHICLES IN GENERAL