Welding workpieces essentially comprising layers of different metals

Patents Grantslast 30 patents

  • Information Patent Grant

    3306642

    • Patent number 3,306,642
    • Issue date Feb 28, 1967
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2985747

    • Patent number 2,985,747
    • Issue date May 23, 1961
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2084298

    • Patent number 2,084,298
    • Issue date Jun 15, 1937
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR