TREA

Michael W. Lofgren

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  • Forest Lake, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrochromic device
    • Patent number 7,940,447
    • Issue date May 10, 2011
    • 3M Innovative Properties Company
    • Junjun Wu
    • B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTROCHROMIC DEVICE
    • Publication number 20080128287
    • Publication date Jun 5, 2008
    • 3M Innovative Properties Company
    • Junjun Wu
    • G02 - OPTICS