Friedrich Sperling

Person

  • Montabaur, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Manufacture of a carbon particle filter

    • Patent number 5,391,338
    • Issue date Feb 21, 1995
    • Daimler-Benz AG
    • Wolfgang Bandel
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES