TREA

Horst Graffunder

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Patents Grantslast 30 patents

  • Information Patent Grant

    Valve arrangement for distributing fluids
    • Patent number 4,008,736
    • Issue date Feb 22, 1977
    • Brigitte Wittmann-Liebold
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Evacuation device
    • Patent number 3,986,521
    • Issue date Oct 19, 1976
    • Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V.
    • Brigitte Wittmann-Liebold
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method to determine automatically the sequence of amino acids
    • Patent number 3,959,307
    • Issue date May 25, 1976
    • Brigitte Wittmann
    • C07 - ORGANIC CHEMISTRY