TREA

Hong-Sen YAN

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  • Taichung City, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lock assembly
    • Patent number 7,661,279
    • Issue date Feb 16, 2010
    • Door & Window Hardware Co.
    • Hsing-Hui Huang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

    LOCK ASSEMBLY
    • Publication number 20090183539
    • Publication date Jul 23, 2009
    • DOOR & WINDOW HARDWARE CO.
    • Hsing-Hui HUANG
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES