TREA

Chi-Ching Shen

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  • Taichung, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dental floss holder
    • Patent number 7,201,173
    • Issue date Apr 10, 2007
    • Chung-Shan Shen
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Timing lock device for a faucet
    • Patent number 6,739,572
    • Issue date May 25, 2004
    • Chung-Shan Shen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Dental floss holder
    • Publication number 20050247328
    • Publication date Nov 10, 2005
    • Chung-Shan Shen
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Switch device for door
    • Publication number 20050062293
    • Publication date Mar 24, 2005
    • Chung-Shan Shen
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Timing lock device for a faucet
    • Publication number 20040011978
    • Publication date Jan 22, 2004
    • Chung-Shan Shen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...