TREA

Claus Prochnow

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  • Braunschweig, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Camera hand grip
    • Patent number 4,329,041
    • Issue date May 11, 1982
    • Joachim Madge
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera with automatic flash power level selection
    • Patent number 4,306,792
    • Issue date Dec 22, 1981
    • Rollei-Werke Franke & Heidecke GmbH
    • Claus Prochnow
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Photographic enlarger
    • Patent number 4,136,948
    • Issue date Jan 30, 1979
    • Rollei-Werke Franke & Heidecke
    • Claus Prochnow
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY