Johann-Hugo Wirtz

Person

  • Essen, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Metallothermal reaction mixture

    • Patent number 5,370,726
    • Issue date Dec 6, 1994
    • Elektro-Thermit GmbH
    • Johann-Hugo Wirtz
    • C06 - EXPLOSIVES MATCHES