TREA

Kenneth P. V. Lei

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  • Sparks, NV, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrolytic production of precious metals
    • Patent number 4,554,058
    • Issue date Nov 19, 1985
    • The United States of America as represented by the Secretary of Interior
    • Kenneth P. V. Lei
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Recovery of uranium from refractory ores
    • Patent number 4,098,866
    • Issue date Jul 4, 1978
    • The United States of America as represented by the Secretary of the Interior
    • Thomas G. Carnahan
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Recovery of copper and nickel from alloys
    • Patent number 4,085,017
    • Issue date Apr 18, 1978
    • The United States of America as represented by the Secretary of the Interior
    • Thomas A. Henrie
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Extraction of copper from sulfide ores
    • Patent number 4,062,744
    • Issue date Dec 13, 1977
    • The United States of America as represented by the Secretary of the Interior
    • Thomas A. Henrie
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR