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Bob Chang

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  • Nashua, NH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Radiation curable primer adhesive
    • Patent number 11,174,414
    • Issue date Nov 16, 2021
    • Worthen Industries
    • Bob Chang
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    Adhesive Composite
    • Publication number 20230309650
    • Publication date Oct 5, 2023
    • Worthen Industries
    • Bob Y. Chang
    • A43 - FOOTWEAR
  • Information Patent Application

    RADIATION CURABLE PRIMER ADHESIVE
    • Publication number 20220041892
    • Publication date Feb 10, 2022
    • Worthen Industries
    • Bob Chang
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    RADIATION CURABLE PRIMER ADHESIVE
    • Publication number 20190194495
    • Publication date Jun 27, 2019
    • Worthen Industries
    • Bob Chang
    • B32 - LAYERED PRODUCTS