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World Wide Stationary Mfg. Co., Ltd.

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Patents Grantslast 30 patents

  • Information Patent Grant

    Ring binder mechanism
    • Patent number 9,676,222
    • Issue date Jun 13, 2017
    • World Wide Stationary Mfg. Co., Ltd.
    • Chun H. Lin
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder mechanism
    • Patent number 9,511,617
    • Issue date Dec 6, 2016
    • World Wide Stationary Mfg. Co., Ltd.
    • Kei Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Lever for a ring binder mechanism
    • Patent number 9,180,721
    • Issue date Nov 10, 2015
    • World Wide Stationary Mfg. Co., Ltd.
    • Chun H. Lin
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring mechanism having locking element operatively connected to lever
    • Patent number 7,704,005
    • Issue date Apr 27, 2010
    • World Wide Stationary Mfg. Co., Ltd.
    • Chun H. Lin
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder having a clip
    • Patent number 7,654,765
    • Issue date Feb 2, 2010
    • World Wide Stationary Mfg. Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Positive lock ring binder mechanism
    • Patent number 7,275,886
    • Issue date Oct 2, 2007
    • World Wide Stationary Mfg. Co., ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder having actuating lever with cushion member
    • Patent number 6,533,486
    • Issue date Mar 18, 2003
    • World Wide Stationary Mfg. Co., Ltd.
    • Chun Yuen To
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder having actuating lever with cushion member
    • Patent number 6,280,114
    • Issue date Aug 28, 2001
    • World Wide Stationary Mfg., Co., Ltd.
    • Chun Yuen To
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder mechanism
    • Patent number 6,033,144
    • Issue date Mar 7, 2000
    • World Wide Stationary Mfg. Co., Ltd.
    • Weng Io Ng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER