TREA

Weng I. Ng

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  • Hong Kong, HK
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Patents Grantslast 30 patents

  • 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
    • Patent number 6,217,247
    • Issue date Apr 17, 2001
    • World Wide Stationery Manufacturing Company Limited
    • Weng Io Ng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Sheet retaining device and method of packaging sheet retaining devices
    • Patent number 6,146,042
    • Issue date Nov 14, 2000
    • World Wide Stationery Mfg. Co., Ltd.
    • Chun On William To
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder with divided housings
    • Patent number 6,109,813
    • Issue date Aug 29, 2000
    • World Wide Stationery Mfg. Co., Ltd.
    • Chun On 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
  • Information Patent Grant

    Fastener for a ring binder and method of producing a binder assembly
    • Patent number 6,007,266
    • Issue date Dec 28, 1999
    • World Wide Stationery Manufacturing Co., Ltd.
    • Hung Yu Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Assembling and disassembling device for ring binders
    • Patent number 5,924,811
    • Issue date Jul 20, 1999
    • World Wide Stationery Mfg. Co., Ltd.
    • Chun Yuen To
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder housing
    • Patent number 5,393,155
    • Issue date Feb 28, 1995
    • World Wide Stationery Mfg. Co., Ltd.
    • Weng I. Ng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER