TREA

World Wide Stationery Mfg. Co., Ltd.

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  • Hong Kong, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ring binder mechanism
    • Patent number 9,044,994
    • Issue date Jun 2, 2015
    • World Wide Stationery Mfg. Co., Ltd.
    • Wing Yiu Ng
    • 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 having retaining system on ring members
    • Patent number 8,899,865
    • Issue date Dec 2, 2014
    • World Wide Stationery Mfg. Co., Ltd.
    • Chun Yuen To
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder mechanism having unitary structure
    • Patent number 8,899,864
    • Issue date Dec 2, 2014
    • World Wide Stationery Mfg., Co., Ltd.
    • Chun Yuen To
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Lever for a ring binder mechanism
    • Patent number 8,814,458
    • Issue date Aug 26, 2014
    • World Wide Stationery Mfg. Co. Ltd.
    • Chun H. Lin
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder mechanism
    • Patent number 8,047,737
    • Issue date Nov 1, 2011
    • World Wide Stationery Mfg. Co., Ltd.
    • Jn Biao Pi
    • 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
  • Information Patent Grant

    Intermediate connector for a ring binder mechanism
    • Patent number 7,878,729
    • Issue date Feb 1, 2011
    • World Wide Stationery Manufacturing Company, Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder mechanism
    • Patent number 7,731,441
    • Issue date Jun 8, 2010
    • World Wide Stationery Mfg. Co., Ltd.
    • Wing Yiu Ng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Single lever ring mechanism having rectilinear binder rings
    • Patent number D616934
    • Issue date Jun 1, 2010
    • World Wide Stationery Mfg. Co., Ltd.
    • Chun Yuen To
    • D19 - Office supplies
  • Information Patent Grant

    Ring binder mechanism having blocking device
    • Patent number 7,654,764
    • Issue date Feb 2, 2010
    • World Wide Stationery Mfg. Co. Ltd.
    • Chun On To
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder mechanism
    • Patent number 7,648,302
    • Issue date Jan 19, 2010
    • World Wide Stationery Mfg. Co., Ltd.
    • Ze Yu Zhang
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder
    • Patent number 7,637,682
    • Issue date Dec 29, 2009
    • World Wide Stationery Manufacturing Company Limited
    • Chun Yuen To
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Binding ring
    • Patent number D598494
    • Issue date Aug 18, 2009
    • World Wide Stationery Manufacturing Company Limited
    • Chun Yuen To
    • D19 - Office supplies
  • Information Patent Grant

    Binding ring
    • Patent number D582477
    • Issue date Dec 9, 2008
    • World Wide Stationery Manufacturing Company Limited
    • Chun Yuen To
    • D19 - Office supplies
  • Information Patent Grant

    Ring binder mechanism
    • Patent number 7,360,962
    • Issue date Apr 22, 2008
    • World Wide Stationery Manufacturing Company Limited
    • Chun Yuen To
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder mechanism
    • Patent number 6,758,621
    • Issue date Jul 6, 2004
    • World Wide Stationery Manufacturing Company, Ltd.
    • Chun Yuen To
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder mechanism fastener
    • Patent number D466153
    • Issue date Nov 26, 2002
    • World Wide Stationery Manufacturing Company, Ltd.
    • Chun Yuen To
    • D19 - Office supplies
  • Information Patent Grant

    Ring binder mechanism fastener
    • Patent number D461498
    • Issue date Aug 13, 2002
    • World Wide Stationery Manufacturing Company, Ltd.
    • Chun Yuen To
    • D19 - Office supplies
  • Information Patent Grant

    Housing for a ring binder mechanism
    • Patent number D460109
    • Issue date Jul 9, 2002
    • World Wide Stationery Manufacturing Company Ltd.
    • Chun Yuen To
    • D19 - Office supplies
  • Information Patent Grant

    Ring binder
    • Patent number D457559
    • Issue date May 21, 2002
    • World Wide Stationery Manufacturing Company, Ltd.
    • Chun Yuen To
    • D19 - Office supplies
  • Information Patent Grant

    Ring binder
    • Patent number D453026
    • Issue date Jan 22, 2002
    • World Wide Stationery Manufacturing Company, Ltd.
    • Chun Yuen To
    • D19 - Office supplies
  • Information Patent Grant

    Ring binder
    • Patent number 5,980,146
    • Issue date Nov 9, 1999
    • World Wide Stationery Manufacturing Company, Ltd.
    • Simon Chun Yuen To
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder
    • Patent number D408851
    • Issue date Apr 27, 1999
    • World Wide Stationery Manufacturing Company Ltd.
    • Simon Chun Yuen To
    • D19 - Office supplies

Patents Applicationslast 30 patents

  • Information Patent Application

    HANGER BAR
    • Publication number 20210177140
    • Publication date Jun 17, 2021
    • World Wide Stationery Mfg. Co., Ltd.
    • Chun Yuen To
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    NOTEBOOK HANGER
    • Publication number 20210162796
    • Publication date Jun 3, 2021
    • World Wide Stationery Mfg. Co., Ltd.
    • Chun Yuen TO
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING BINDER HAVING INTERLOCKING RING TIPS
    • Publication number 20170291446
    • Publication date Oct 12, 2017
    • WORLD WIDE STATIONERY MFG. CO., LTD.
    • Chun Yuen To
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING BINDER MECHANISM
    • Publication number 20170203603
    • Publication date Jul 20, 2017
    • World Wide Stationery Mfg. Co., Ltd.
    • Wing Yiu Ng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    LEVER FOR A RING BINDER MECHANISM
    • Publication number 20170197453
    • Publication date Jul 13, 2017
    • WORLD WIDE STATIONERY MFG. CO., LTD.
    • Chun H. Lin
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING BINDER WITH INTERLOCKING RING MEMBERS
    • Publication number 20160229216
    • Publication date Aug 11, 2016
    • WORLD WIDE STATIONERY MFG. CO., LTD.
    • Chun Yuen TO
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING BINDER MECHANISM
    • Publication number 20160059614
    • Publication date Mar 3, 2016
    • WORLD WIDE STATIONERY MFG. CO., LTD.
    • Chun H. Lin
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING BINDER MECHANISM
    • Publication number 20150246572
    • Publication date Sep 3, 2015
    • World Wide Stationery Mfg. Co., Ltd.
    • Wing Yiu Ng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • 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 HAVING UNITARY STRUCTURE
    • Publication number 20150202909
    • Publication date Jul 23, 2015
    • World Wide Stationery Manufacturing Co., Ltd.
    • Chun Yuen To
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING BINDER MECHANISM
    • Publication number 20150117934
    • Publication date Apr 30, 2015
    • World Wide Stationery Mfg. Co., Ltd.
    • Kei Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    LOW-PROFILE RING BINDER MECHANISM
    • Publication number 20150104237
    • Publication date Apr 16, 2015
    • World Wide Stationery Mfg. Co., Ltd.
    • Chen Yuen To
    • 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
    • Publication number 20150063896
    • Publication date Mar 5, 2015
    • World Wide Stationery Mfg. Co., Ltd.
    • Chen Yuen To
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING BINDER MECHANISM HAVING RETAINING SYSTEM ON RING MEMBERS
    • Publication number 20150003892
    • Publication date Jan 1, 2015
    • WORLD WIDE STATIONERY MANUFACTURING CO., LTD.
    • Chun Yuen To
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING MECHANISM HAVING ROBUST LOW-PROFILE HOUSING
    • Publication number 20130236233
    • Publication date Sep 12, 2013
    • World Wide Stationery Mfg. Co., Ltd.
    • Zhu Gui LUI
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING BINDER MECHANISM
    • Publication number 20120230755
    • Publication date Sep 13, 2012
    • World Wide Stationery Mfg. Co., Ltd.
    • Wing Yiu Ng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING BINDER MECHANISM
    • Publication number 20120051830
    • Publication date Mar 1, 2012
    • World Wide Stationery Mfg. Co., Ltd.
    • Jn Biao Pi
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING BINDER MECHANISM HAVING UNITARY STRUCTURE
    • Publication number 20110311300
    • Publication date Dec 22, 2011
    • WORLD WIDE STATIONERY MANUFACTURING CO., LTD.
    • Chun Yuen To
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING BINDER MECHANISM HAVING RETAINING SYSTEM ON RING MEMBERS
    • Publication number 20110311301
    • Publication date Dec 22, 2011
    • WORLD WIDE STATIONERY MANUFACTURING CO., LTD.
    • Chun Yuen To
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING BINDER MECHANISM HAVING SNAP-IN RING MEMBERS
    • Publication number 20110311302
    • Publication date Dec 22, 2011
    • WORLD WIDE STATIONERY MANUFACTURING CO., LTD.
    • Chun Yuen To
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING BINDER MECHANISM HAVING UNITARY STRUCTURE
    • Publication number 20110305500
    • Publication date Dec 15, 2011
    • WORLD WIDE STATIONERY MANUFACTURING CO., LTD.
    • Chun Yuen To
    • 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

    READY LOCK RING BINDER MECHANISM
    • Publication number 20110110703
    • Publication date May 12, 2011
    • WORLD WIDE STATIONERY MFG. CO., LTD.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    Ring Binder Mechanism
    • Publication number 20110085846
    • Publication date Apr 14, 2011
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING MECHANISM HAVING GUIDE FOR TRAVEL BAR
    • Publication number 20110020053
    • Publication date Jan 27, 2011
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Y. Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    Ring Binder Mechanism
    • Publication number 20100284729
    • Publication date Nov 11, 2010
    • World Wide Stationery Mfg. Co., Ltd.
    • Chun Yuen To
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING BINDER MECHANISM
    • Publication number 20100278583
    • Publication date Nov 4, 2010
    • World Wide Stationery Mfg. Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    RING BINDER MECHANISM
    • Publication number 20100232867
    • Publication date Sep 16, 2010
    • World Wide Stationery Mfg. Co., Ltd.
    • Wing Yiu Ng
    • 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