TREA

John A. Davis Jr.

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  • Harrisburg, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hypereutectoid-head steel rail
    • Patent number 9,512,501
    • Issue date Dec 6, 2016
    • ArcelorMittal Investigacion y Desarrollo, S.L.
    • Bruce L. Bramfitt
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Hypereutectoid, head-hardened steel rail
    • Patent number 8,721,807
    • Issue date May 13, 2014
    • Arcelormittal Investigacion y Desarrollo, S.L.
    • Bruce L. Bramfitt
    • C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents