for welds

Patents Grantslast 30 patents

  • Information Patent Grant

    3712112

    • Patent number 3,712,112
    • Issue date Jan 23, 1973
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2679747

    • Patent number 2,679,747
    • Issue date Jun 1, 1954
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2660053

    • Patent number 2,660,053
    • Issue date Nov 24, 1953
    • G01 - MEASURING TESTING