TREA

Dieter Lenzen

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  • Lethmate, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Activated rock cutting assembly
    • Patent number 4,815,543
    • Issue date Mar 28, 1989
    • General Mining Union Corporation Limited
    • Dieter Lenzen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Rock cutting assembly
    • Patent number 4,736,987
    • Issue date Apr 12, 1988
    • General Mining Union Corporation Limited
    • Dieter Lenzen
    • B28 - WORKING CEMENT, CLAY, OR STONE