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Erwin Stallwitz

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  • Lichtenau, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of and apparatus for machining crankpins
    • Patent number 6,374,472
    • Issue date Apr 23, 2002
    • Widia GmbH
    • Klaus Ramold
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Apparatus for machining crankpins
    • Patent number 6,146,063
    • Issue date Nov 14, 2000
    • Widia GmbH
    • Klaus Ramold
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Indexable insert and associated tool
    • Patent number 5,951,214
    • Issue date Sep 14, 1999
    • Widia GmbH
    • Gerhard Rothballer
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cutting insert
    • Patent number 5,797,707
    • Issue date Aug 25, 1998
    • Widia GmbH
    • Erwin Stallwitz
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cutting insert
    • Patent number 5,779,401
    • Issue date Jul 14, 1998
    • Widia GmbH
    • Erwin Stallwitz
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR