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Seok Heo

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  • Hwaseong-shi, KR
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    POCKET FLANGE FORMING DEVICE FOR DUCT
    • Publication number 20230415214
    • Publication date Dec 28, 2023
    • JINWOONG TECHNOLOGY CO., LTD.
    • Kyu-seok CHA
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Apparatus and method for manufacturing spiral duct
    • Publication number 20070251285
    • Publication date Nov 1, 2007
    • Kyu-Seok Cha
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...