TREA

Bao-Horng Liu

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  • Tien Mu District, Taipei, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pen with adjustable holding structure
    • Patent number 8,152,395
    • Issue date Apr 10, 2012
    • Bao-Shen Liu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Offset pen structure for rapid assembling
    • Patent number 7,665,921
    • Issue date Feb 23, 2010
    • Bao-Shen Liu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Offset pen
    • Patent number 7,001,090
    • Issue date Feb 21, 2006
    • Bao-Shen Liu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Offset pen structure
    • Patent number 6,893,178
    • Issue date May 17, 2005
    • Bao-Shen Liu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pen holder shaft with killer whale motif
    • Patent number D472269
    • Issue date Mar 25, 2003
    • Bao-Shen Liu
    • D19 - Office supplies
  • Information Patent Grant

    Writing instrument
    • Patent number D446812
    • Issue date Aug 21, 2001
    • Bao-Shen Liu
    • D19 - Office supplies
  • Information Patent Grant

    Grip portion for a writing instrument
    • Patent number D446815
    • Issue date Aug 21, 2001
    • Bao-Shen Liu
    • D19 - Office supplies
  • Information Patent Grant

    Offset pen
    • Patent number 6,250,828
    • Issue date Jun 26, 2001
    • Yoro Pen Corp.
    • Bao-Shen Liu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Automatic writing apparatus for segmental writing elements with caps
    • Patent number 6,161,976
    • Issue date Dec 19, 2000
    • Pioneer Industrial Corporation
    • Bao-Shen Liu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Rolling ruler
    • Patent number 5,479,719
    • Issue date Jan 2, 1996
    • Bao-Shen Liu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Rolling rule
    • Patent number 5,433,012
    • Issue date Jul 18, 1995
    • Bao-Shen Liu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Suction cup device
    • Patent number 5,176,346
    • Issue date Jan 5, 1993
    • Bao-Shen Liu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Suction cup device
    • Patent number 5,133,524
    • Issue date Jul 28, 1992
    • Bao-Shen Liu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Suction cup
    • Patent number 5,104,077
    • Issue date Apr 14, 1992
    • Hung Mei Brush Co., Ltd.
    • Bao-Shen Liu
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Safety nail driving device
    • Patent number 4,805,825
    • Issue date Feb 21, 1989
    • Liu Yang; Yun Yueh
    • Bao-Shen Liu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Angle measuring instrument
    • Patent number 4,766,675
    • Issue date Aug 30, 1988
    • Bao-Shen Liu
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Vernier gauge
    • Patent number 4,535,542
    • Issue date Aug 20, 1985
    • Bao-Shen Liu
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    EASY-TO-HOLD OFF-AXIS PEN
    • Publication number 20170197455
    • Publication date Jul 13, 2017
    • BAO-SHEN LIU
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MARKER PEN WITH A BENDING ASSEMBLY
    • Publication number 20120207533
    • Publication date Aug 16, 2012
    • BAO-SHEN LIU
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Pen with Adjustable Holding Structure
    • Publication number 20100074669
    • Publication date Mar 25, 2010
    • Bao-Shen Liu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Offset Pen Structure for Rapid Assembling
    • Publication number 20080101844
    • Publication date May 1, 2008
    • Bao-Shen Liu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Offset pen
    • Publication number 20050152736
    • Publication date Jul 14, 2005
    • Bao-Shen Liu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Offset pen structure
    • Publication number 20040076461
    • Publication date Apr 22, 2004
    • Bao-Shen Liu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES