Jürgen Erwin Friedrich Haeffner

Person

  • Saint-Could, FR

Patents Grantslast 30 patents

  • Information Patent Grant

    Production of animal feed

    • Patent number 6,532,420
    • Issue date Mar 11, 2003
    • Aventis Animal Nutrition S.A.
    • Jürgen Erwin Friedrich Haeffner
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES