Otto Renzing

Person

  • Bochum, DT

Patents Grantslast 30 patents

  • Information Patent Grant

    Spill-plate apparatus for a mining machine

    • Patent number 4,025,118
    • Issue date May 24, 1977
    • Gebr. Eickhoff, Maschinenfabrik und Eisengiesserei m.b.H.
    • Willy Lanfermann
    • E21 - EARTH DRILLING MINING