TREA

Robert Michael Krohn

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  • Annapolis, MD, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Light panel
    • Patent number 6,895,705
    • Issue date May 24, 2005
    • Marketing Display, Inc.
    • Brian J. Hillstrom
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    Backlight panel and manufacturing method thereof
    • Publication number 20090231834
    • Publication date Sep 17, 2009
    • Robert Michael Krohn
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Backlight panel and manufacturing method thereof
    • Publication number 20080037287
    • Publication date Feb 14, 2008
    • Robert Michael Krohn
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Light panel
    • Publication number 20040226202
    • Publication date Nov 18, 2004
    • Brian J. Hillstrom
    • G02 - OPTICS