TREA

Lewis C. Hoffman

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  • Singer Island, FL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sealing glass composite
    • Patent number 4,818,730
    • Issue date Apr 4, 1989
    • Olin Corporation
    • Edward F. Smith
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Sealing glass composite
    • Patent number 4,752,521
    • Issue date Jun 21, 1988
    • Olin Corporation
    • Edward F. Smith
    • C03 - GLASS MINERAL OR SLAG WOOL