Ting-Cheng CHANG

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Chiayi City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Latch-bolt mechanism operable to allow for idle rotation of an exte...
- Patent number 8,371,627
- Issue date Feb 12, 2013
- Tong Lung Metal Industry Co., Ltd.
- Wei-Liang Chiang
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Door lever
- Patent number D660128
- Issue date May 22, 2012
- Tong Lung Metal Industry Co., Ltd.
- Yu-Le Lin
- D08 - Tools and hardware

Patents Applicationslast 30 patents

Information Patent Application
LATCH-BOLT MECHANISM OPERABLE TO ALLOW FOR IDLE ROTATION OF AN EXTE...
- Publication number 20100225126
- Publication date Sep 9, 2010
- TONG LUNG METAL INDUSTRY CO., LTD.
- Wei-Liang CHIANG
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES