Yun-Yi Chang

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Nan-Tou City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Lockable case
- Patent number 7,152,443
- Issue date Dec 26, 2006
- Universal Scientific Industrial Co., Ltd.
- Yun-Yi Chang
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
Lockable case
- Publication number 20060150692
- Publication date Jul 13, 2006
- UNIVERSAL SCIENTIFIC INDUSTRIAL CO., LTD.
- Yun-Yi Chang
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES