TREA

Ry M. Tran

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  • Portland, OR, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Auxiliary gauging device
    • Patent number 4,561,281
    • Issue date Dec 31, 1985
    • Tektronix, Inc.
    • Ry M. Tran
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...