TREA

World Wide Stationary Manufacturing Company Limited

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Organization

  • Kwai Chung, HK
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Ring for a ring binder mechanism
    • Patent number D533588
    • Issue date Dec 12, 2006
    • World Wide Stationary Manufacturing Company, Limited
    • Ho P. Cheng
    • D19 - Office supplies
  • Information Patent Grant

    Ring metals with linkage locking device
    • Patent number 6,036,394
    • Issue date Mar 14, 2000
    • World Wide Stationary Manufacturing Co., Ltd.
    • Ho Ping Cheng
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Ring binder
    • Patent number 5,755,513
    • Issue date May 26, 1998
    • World Wide Stationary Manufacturing Company Limited
    • Chun Yuen To
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER