TREA

William R. LeFew

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  • Durham, NC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical diffusers with spatial variations
    • Patent number 8,974,069
    • Issue date Mar 10, 2015
    • Bright View Technologies Corporation
    • Ken G. Purchase
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL DIFFUSERS WITH SPATIAL VARIATIONS
    • Publication number 20100039808
    • Publication date Feb 18, 2010
    • Bright View Technologies, Inc.
    • Ken G. Purchase
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS