TREA

Uwe Christiansen

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  • Gelnhausen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drilling device for brittle materials
    • Patent number 6,402,605
    • Issue date Jun 11, 2002
    • Hecaeus Quarzglas GmbH & Co. KG
    • Uwe Christiansen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill for drilling brittle materials
    • Patent number 5,643,069
    • Issue date Jul 1, 1997
    • Heraeus Quarzglas GmbH
    • Uwe Christiansen
    • B28 - WORKING CEMENT, CLAY, OR STONE