TREA

Walter Rotter

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  • Schoenaich, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drilling unit
    • Patent number 5,002,441
    • Issue date Mar 26, 1991
    • International Business Machines Corporation
    • Dieter Dierich
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drilling unit
    • Patent number 4,913,600
    • Issue date Apr 3, 1990
    • International Business Machines Corporation
    • Dieter Dierich
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR