TREA

Adolf Koopmann

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  • Munich, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Microfilm reading and reverse enlarging apparatus
    • Patent number 4,754,306
    • Issue date Jun 28, 1988
    • AGFA-Gevaert A.G.
    • Josef Auer
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Autoloading microfiche reader
    • Patent number 4,601,558
    • Issue date Jul 22, 1986
    • Agfa-Gevaert Aktiengesellschaft
    • Wilfried Hofmann
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Collapsible microfilm reader
    • Patent number 4,131,348
    • Issue date Dec 26, 1978
    • AGFA-Gevaert AG
    • Wilfried Hofmann
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Portable microfilm reader
    • Patent number 4,120,574
    • Issue date Oct 17, 1978
    • Agfa-Gevaert Aktiengesellschaft
    • Wilfried Hofmann
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY