TREA

Walter W. Hill

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  • Lower Burrell, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Aluminum purification
    • Patent number RE30330
    • Issue date Jul 8, 1980
    • Aluminum Company of America
    • Subodh K. Das
    • 204 - Chemistry: electrical and wave energy
  • Information Patent Grant

    Aluminum purification
    • Patent number 4,115,215
    • Issue date Sep 19, 1978
    • Aluminum Company of America
    • Subodh K. Das
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR