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Chih-Hung Chen

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  • Woodridge, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Plastic bags
    • Patent number 9,623,613
    • Issue date Apr 18, 2017
    • Chih-Hung Chen
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    PLASTIC BAGS
    • Publication number 20150259103
    • Publication date Sep 17, 2015
    • Chih-Hung Chen
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL