World Wide Stationary Mfg. Co. Ltd.

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Hong Kong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Ring binder mechanism with self-locking actuator
- Patent number 8,899,866
- Issue date Dec 2, 2014
- World Wide Stationary Mfg. Co. Ltd.
- Ming Hua Huang
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Ring binder mechanism having snap-in ring members
- Patent number 8,851,783
- Issue date Oct 7, 2014
- World Wide Stationary Mfg. Co. Ltd.
- Chun Yuen To
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Fastening binder ring mechanisms to binders
- Patent number 7,073,968
- Issue date Jul 11, 2006
- World Wide Stationary Manufacturing Company, Ltd.
- Chun Yuen To
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER

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