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Celina Yao

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  • Nan Tou Hsien, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bolt dock for door lock
    • Patent number 6,733,050
    • Issue date May 11, 2004
    • Shyang Feng Electric & Machinery Co., Ltd.
    • Celina Yao
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Electronic lock
    • Patent number 6,640,594
    • Issue date Nov 4, 2003
    • Shyang Feng Electric & Machinery Co., Ltd.
    • Celina Yao
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Lock assembly allowing the handles thereof rotated by a large angle
    • Patent number 6,105,407
    • Issue date Aug 22, 2000
    • Shyang Feng Electric & Machinery Co., Ltd.
    • Celina Yao
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Lock assembly allowing the handles thereof rotated by a large angle
    • Patent number 6,085,561
    • Issue date Jul 11, 2000
    • Shyang Feng Electric & Machinery Co., Ltd.
    • Celina Yao
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Electronic lock
    • Patent number 5,960,656
    • Issue date Oct 5, 1999
    • Shyang Feng Electric & Machinery Co., Ltd.
    • Celina Yao
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

    BOLT DOCK FOR DOOR LOCK
    • Publication number 20040090072
    • Publication date May 13, 2004
    • Celina Yao
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES