TREA

Ernst Ricker

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  • Willstaett, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic recording media
    • Patent number 5,064,721
    • Issue date Nov 12, 1991
    • BASF Aktiengesellschaft
    • August Lehner
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording media
    • Patent number 4,668,586
    • Issue date May 26, 1987
    • BASF Aktiengesellschaft
    • Albert Kohl
    • G11 - INFORMATION STORAGE