TREA

DOUGLAS P. HILLS

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  • CEDAR PARKS, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Splice holder device
    • Patent number 7,558,459
    • Issue date Jul 7, 2009
    • 3M Innovative Properties Company
    • James B. Carpenter
    • G02 - OPTICS
  • Information Patent Grant

    Splice holder device
    • Patent number 7,333,709
    • Issue date Feb 19, 2008
    • 3M Innovative Properties Company
    • James B. Carpenter
    • G02 - OPTICS
  • Information Patent Grant

    Photo display system for use with imaged transparencies
    • Patent number 6,920,711
    • Issue date Jul 26, 2005
    • 3M Innovative Properties Company
    • Alan G. Miller
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Microreplicated optical module
    • Patent number 5,732,173
    • Issue date Mar 24, 1998
    • Minnesota Mining and Manufacturing Company
    • James R. Bylander
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    SPLICE HOLDER DEVICE
    • Publication number 20080212929
    • Publication date Sep 4, 2008
    • 3M Innovative Properties Company
    • James B. Carpenter
    • G02 - OPTICS
  • Information Patent Application

    Splice holder device
    • Publication number 20060067637
    • Publication date Mar 30, 2006
    • 3M Innovative Properties Company
    • James B. Carpenter
    • G02 - OPTICS
  • Information Patent Application

    Photo display system for use with imaged transparencies
    • Publication number 20040181990
    • Publication date Sep 23, 2004
    • 3M Innovative Properties Company
    • ALAN G. MILLER
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS