TREA

Michael B. Levesque

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  • Tampa, FL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Photochromic optical article
    • Patent number 7,452,611
    • Issue date Nov 18, 2008
    • Transitions Optical, Inc.
    • William P. Blackburn
    • G02 - OPTICS
  • Information Patent Grant

    Photochromic optical article
    • Patent number 7,410,691
    • Issue date Aug 12, 2008
    • PPG Industries Ohio, Inc.
    • William P. Blackburn
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Spin and spray coating process for curved surfaces
    • Patent number 6,352,747
    • Issue date Mar 5, 2002
    • PPG Industries Ohio, Inc.
    • William P. Blackburn
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    Photochromic optical article
    • Publication number 20040207809
    • Publication date Oct 21, 2004
    • William P. Blackburn
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Photochromic optical article
    • Publication number 20030165686
    • Publication date Sep 4, 2003
    • William P. Blackburn
    • G02 - OPTICS