TREA

Charles A. Bakkila

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  • Northville, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Safety mask
    • Patent number 4,686,976
    • Issue date Aug 18, 1987
    • Charles A. Bakkila
    • A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents