TREA

Alterra Holdings Corporation

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  • Tigard, WA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Marking system
    • Patent number 6,951,058
    • Issue date Oct 4, 2005
    • Alterra Holdings Corporation
    • Mark A. McLean
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES