TREA

John A. Hammond

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  • Washington, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Refractory tile for a suspended furnace wall
    • Patent number 5,163,831
    • Issue date Nov 17, 1992
    • Frazier-Simplex, Inc.
    • John A. Hammond
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    Suspended furnace wall
    • Patent number 5,011,402
    • Issue date Apr 30, 1991
    • Frazier-Simplex, Inc.
    • John A. Hammond
    • F27 - FURNACES KILNS OVENS RETORTS