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BEIJING RUTIAN SCIENCE AND TECHNOLOGY CO., LTD

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  • Beijing, CN
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    MULTI-LEVEL MICRO-SWITCH
    • Publication number 20090166160
    • Publication date Jul 2, 2009
    • BEIJING RUTIAN SCIENCE AND TECHNOLOGY CO., LTD
    • Lei Song
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MULTIFUNCTION ATTENDANCE CHECKING SYSTEM
    • Publication number 20090166410
    • Publication date Jul 2, 2009
    • BEIJING RUTIAN SCIENCE AND TECHNOLOGY CO., LTD
    • Lei Song
    • G07 - CHECKING-DEVICES
  • Information Patent Application

    SELF-POSITIONING REMOTE BURGLARY ALARM SYSTEM
    • Publication number 20090167523
    • Publication date Jul 2, 2009
    • BEIJING RUTIAN SCIENCE AND TECHNOLOGY CO., LTD
    • Lei SONG
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    REMOTE PUBLIC FULL-TIME ANTI-THEFT SYSTEM
    • Publication number 20090167530
    • Publication date Jul 2, 2009
    • BEIJING RUTIAN SCIENCE AND TECHNOLOGY CO., LTD
    • Lei Song
    • G08 - SIGNALLING
  • Information Patent Application

    ENTRANCE GUARD SYSTEM USING ARBITRARY CARD
    • Publication number 20090166413
    • Publication date Jul 2, 2009
    • BEIJING RUTIAN SCIENCE AND TECHNOLOGY CO., LTD
    • Lei Song
    • G07 - CHECKING-DEVICES

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