TREA

Karlchristian Schilffarth

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  • Sauerlach, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic storage medium
    • Patent number 4,477,531
    • Issue date Oct 16, 1984
    • AGFA-Gevaert A.G.
    • Robert Kohler
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,404,253
    • Issue date Sep 13, 1983
    • Agfa-Gevaert Aktiengesellschaft
    • Robert Kohler
    • G11 - INFORMATION STORAGE