Robert Schmelzer

Person

  • Lennestadt, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Self-propelled ram boring machine

    • Patent number 5,010,965
    • Issue date Apr 30, 1991
    • Tracto-Technik Paul Schmidt Maschinenfabrik KG
    • Robert Schmelzer
    • E21 - EARTH DRILLING MINING