Wu Feng Qing

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Chong Xing Town, CN

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Patents Grantslast 30 patents

Information Patent Grant
Storm door with a lift-up lock case mortise and method of use
- Patent number 7,350,555
- Issue date Apr 1, 2008
- Betteli, Inc. Hong Kong
- Wu Feng Qing
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Storm door mortise lock that prevents lockout
- Patent number 7,213,426
- Issue date May 8, 2007
- Betteli, Inc. Hong Kong
- Wu Feng Qing
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Door closer with pre-set stops
- Patent number 7,134,168
- Issue date Nov 14, 2006
- Betteli, Inc. Hong Kong
- Wu Feng Qing
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Storm door push or turn lock method of using same
- Patent number 7,055,873
- Issue date Jun 6, 2006
- Wu Feng Qing
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
Storm door with a lift-up lock case mortise and method of use
- Publication number 20050099023
- Publication date May 12, 2005
- Betteli Inc. Hong Kong
- Wu Feng Qing
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Storm door mortise lock that prevents lockout
- Publication number 20050092041
- Publication date May 5, 2005
- BETTELI, INC. HONG KONG
- Wu Feng Qing
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Storm door push or turn lock and method of using same
- Publication number 20040070216
- Publication date Apr 15, 2004
- Wu Feng Qing
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES