TREA

Jurg Opprecht

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  • Widen, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of fabricating a projection for resistance welding
    • Patent number 4,850,214
    • Issue date Jul 25, 1989
    • Opprecht; Paul
    • Paul Opprecht
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Openable can body
    • Patent number 4,712,960
    • Issue date Dec 15, 1987
    • Elpatronic AG
    • Paul Opprecht
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Openable can body
    • Patent number 4,637,521
    • Issue date Jan 20, 1987
    • Elpatronic AG
    • Paul Opprecht
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Projection for resistance welding of soft metals
    • Patent number 4,495,397
    • Issue date Jan 22, 1985
    • Opprecht; Paul
    • Paul Opprecht
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR