TREA

Youngjin Cho

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  • Chungcheongbuk-do, KR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fire alarm apparatus
    • Patent number 12,183,185
    • Issue date Dec 31, 2024
    • ROZETATECH CO., LTD.
    • Youngjin Cho
    • G08 - SIGNALLING
  • Information Patent Grant

    Fire alarm system
    • Patent number 11,488,460
    • Issue date Nov 1, 2022
    • ROZETATECH CO., LTD.
    • Youngjin Cho
    • G08 - SIGNALLING

Patents Applicationslast 30 patents