TREA

Chang Ho YI

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  • Incheon, KR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Compound bow to adjust draw length
    • Patent number 9,581,407
    • Issue date Feb 28, 2017
    • WIN & WIN Co., Ltd.
    • Chang Ho Yi
    • F41 - WEAPONS
  • Information Patent Grant

    Body frame for bicycle
    • Patent number 9,440,701
    • Issue date Sep 13, 2016
    • WIN & WIN CO., LTD
    • Dong Won Park
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Self-tunable compound bow
    • Patent number 9,335,114
    • Issue date May 10, 2016
    • WIN & WIN Co., Ltd.
    • Chang Ho Yi
    • F41 - WEAPONS
  • Information Patent Grant

    Self-tunable compound bow
    • Patent number 9,261,321
    • Issue date Feb 16, 2016
    • WIN & WIN Co., Ltd.
    • Chang Ho Yi
    • F41 - WEAPONS
  • Information Patent Grant

    Compound bow having improved vibration-damping performance
    • Patent number 9,140,515
    • Issue date Sep 22, 2015
    • WIN & WIN Co., Ltd.
    • Chang Ho Yi
    • F41 - WEAPONS
  • Information Patent Grant

    Bow
    • Patent number 9,103,622
    • Issue date Aug 11, 2015
    • WIN & WIN Co., Ltd.
    • Dong Won Park
    • F41 - WEAPONS

Patents Applicationslast 30 patents

  • Information Patent Application

    COMPOUND BOW
    • Publication number 20160252319
    • Publication date Sep 1, 2016
    • WIN & WIN Co., Ltd.
    • Chang Ho YI
    • F41 - WEAPONS
  • Information Patent Application

    COMPOUND BOW TO ADJUST DRAW LENGTH
    • Publication number 20160245611
    • Publication date Aug 25, 2016
    • WIN & WIN Co., Ltd.
    • Chang Ho YI
    • F41 - WEAPONS
  • Information Patent Application

    BODY FRAME FOR BICYCLE
    • Publication number 20150344096
    • Publication date Dec 3, 2015
    • WIN & WIN Co., Ltd.
    • Dong Won PARK
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    COMPOUND BOW HAVING IMPROVED VIBRATION-DAMPING PERFORMANCE
    • Publication number 20150192381
    • Publication date Jul 9, 2015
    • WIN & WIN Co., Ltd.
    • Chang Ho YI
    • F41 - WEAPONS
  • Information Patent Application

    SELF-TUNABLE COMPOUND BOW
    • Publication number 20150153132
    • Publication date Jun 4, 2015
    • WIN & WIN Co., Ltd.
    • Chang Ho YI
    • F41 - WEAPONS
  • Information Patent Application

    SELF-TUNABLE COMPOUND BOW
    • Publication number 20150083099
    • Publication date Mar 26, 2015
    • WIN & WIN Co., Ltd.
    • Chang Ho YI
    • F41 - WEAPONS
  • Information Patent Application

    COMPOUND BOW
    • Publication number 20150053191
    • Publication date Feb 26, 2015
    • WIN & WIN Co., Ltd.
    • Chang Ho YI
    • F41 - WEAPONS
  • Information Patent Application

    BOW
    • Publication number 20140360479
    • Publication date Dec 11, 2014
    • Dong Won PARK
    • F41 - WEAPONS