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Dong Guan City, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Ring binder mechanism
Patent number
10,369,833
Issue date
Aug 6, 2019
World Wide Stationery Mfg. Co., Ltd.
Ming Hua Huang
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Self-locking actuator for ring binder mechanism
Patent number
9,469,149
Issue date
Oct 18, 2016
World Wide Stationery Mfg. Co., Ltd.
Ming Hua Huang
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Ring binder mechanism having dual time buffer actuator
Patent number
9,033,608
Issue date
May 19, 2015
World Wide Stationery Mfg. Co., Ltd.
Ming Hua Huang
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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
Actuator for a ring binder mechanism
Patent number
8,162,556
Issue date
Apr 24, 2012
World Wide Stationery Mfg. Co., Ltd.
Ho Ping Cheng
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Ring binder mechanism with polymeric housing
Patent number
7,950,866
Issue date
May 31, 2011
World Wide Stationery Mfg. Co., Ltd.
Chun Yuen To
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Patents Applications
last 30 patents
Information
Patent Application
RING BINDER MECHANISM
Publication number
20150231914
Publication date
Aug 20, 2015
World Wide Stationery Mfg. Co., Ltd.
Ming Hua Huang
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
RING BINDER MECHANISM WITH SELF-LOCKING ACTUATOR
Publication number
20150071699
Publication date
Mar 12, 2015
World Wide Stationery Mfg. Co., Ltd.
Ming Hua Huang
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
Ring Binder Mechanism with Self-Locking Actuator
Publication number
20130287476
Publication date
Oct 31, 2013
WORLD WIDE STATIONERY MANUFACTURING CO., LIMITED
Ming Hua Huang
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
RING BINDER MECHANISM HAVING DUAL TIME BUFFER ACTUATOR
Publication number
20110170942
Publication date
Jul 14, 2011
World Wide Stationery Mfg. Co., Ltd.
Ming Hua Huang
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
ACTUATOR FOR A RING BINDER MECHANISM
Publication number
20100166490
Publication date
Jul 1, 2010
WORLD WIDE STATIONERY, MFG. CO., LTD.
Ho Ping CHENG
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
RING BINDER MECHANISM WITH POLYMERIC HOUSING AND TRAVEL BAR
Publication number
20090060631
Publication date
Mar 5, 2009
World Wide Stationery Mfg. Co., Ltd.
Chun Yuen To
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
RING BINDER MECHANISM WITH POLYMERIC HOUSING
Publication number
20090060630
Publication date
Mar 5, 2009
World Wide Stationery Mfg. Co., Ltd.
Chun Yuen To
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
Ring Binder Mechanism with Plastic Housing and Locking Structure
Publication number
20090035053
Publication date
Feb 5, 2009
World Wide Stationery Mfg. Co., Ltd.
Jin Biao Pi
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER