TREA

James E. Elam

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  • Livonia, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cold headed center vacuum drill bit
    • Patent number 5,452,628
    • Issue date Sep 26, 1995
    • Kennametal Inc.
    • Robert H. Montgomery
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Cold headed center vacuum drill bit
    • Patent number 5,297,643
    • Issue date Mar 29, 1994
    • Kennametal Inc.
    • Robert H. Montgomery
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...