TREA

Arthur W. Lupia

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  • El Paso, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ball rounding apparatus
    • Patent number 4,014,197
    • Issue date Mar 29, 1977
    • Border Steel Mills, Inc.
    • Arthur W. Lupia
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...