TREA

Karl Hartwig

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  • Unterhaching, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Developing device for copier
    • Patent number 4,367,954
    • Issue date Jan 11, 1983
    • Baldwin Piano & Organ Company
    • Alfred Ganz
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Optical copier
    • Patent number 4,194,831
    • Issue date Mar 25, 1980
    • AGFA-Gevaert, A.G.
    • Karl Hartwig
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Copying apparatus
    • Patent number 4,113,373
    • Issue date Sep 12, 1978
    • AGFA-Gevaert AG
    • Rudolf Eppe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY