TREA

Chang Sun Kang

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  • Vancouver, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Crampon
    • Patent number D976552
    • Issue date Jan 31, 2023
    • Hillsound Equipment Inc.
    • Chang Sun Kang
    • D02 - Apparel and haberdashery
  • Information Patent Grant

    Crampon
    • Patent number D928490
    • Issue date Aug 24, 2021
    • Hillsound Equipment Inc.
    • Chang Sun Kang
    • D02 - Apparel and haberdashery
  • Information Patent Grant

    Peak for crampon
    • Patent number D732274
    • Issue date Jun 23, 2015
    • Hillsound Equipment Inc.
    • Chang Sun Kang
    • D02 - Apparel and haberdashery
  • Information Patent Grant

    Peak for crampon
    • Patent number D732275
    • Issue date Jun 23, 2015
    • Hillsound Equipment Inc.
    • Chang Sun Kang
    • D02 - Apparel and haberdashery
  • Information Patent Grant

    Peak for crampon
    • Patent number D732276
    • Issue date Jun 23, 2015
    • Hillsound Equipment Inc.
    • Chang Sun Kang
    • D02 - Apparel and haberdashery