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Hans Ludwig Hartnagel

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  • New castle-upon-Tyne, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Anodizing a compound semiconductor
    • Patent number 4,133,724
    • Issue date Jan 9, 1979
    • National Research Development Corporation
    • Hans L. Hartnagel
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    GaAs mosfet
    • Patent number 4,119,993
    • Issue date Oct 10, 1978
    • National Research Development Corporation
    • Hans Ludwig Hartnagel
    • H01 - BASIC ELECTRIC ELEMENTS