Tung-Lu Chang

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Sanxia Township, TW

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Patents Grantslast 30 patents

Information Patent Grant
Drawer interlocking mechanism apparatus
- Patent number 7,850,259
- Issue date Dec 14, 2010
- Martas Precision Slide Co., Ltd.
- Wan-Lai Chen
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
Drawer Interlocking Mechanism Apparatus
- Publication number 20090179534
- Publication date Jul 16, 2009
- MARTAS PRECISION SLIDE CO., LTD.
- Wan-Lai Chen
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES