TREA

Eric Tjernstrom

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  • Gavle, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Boring bar
    • Patent number 6,076,999
    • Issue date Jun 20, 2000
    • Sandvik Aktiebolag
    • Anna Hedberg
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Toolholder for indexable inserts
    • Patent number 5,944,457
    • Issue date Aug 31, 1999
    • Sandvik Aktiebolag
    • Eric Tjernstrom
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Toolholder for indexable inserts
    • Patent number 5,685,672
    • Issue date Nov 11, 1997
    • Sandvik AB
    • Eric Tjernstrom
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tool coupling between a toolholder and a machine spindle
    • Patent number 4,978,262
    • Issue date Dec 18, 1990
    • Sandvik AB
    • Eric Tjernstrom
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR