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Patents Grantslast 30 patents

  • Information Patent Grant

    1643760

    • Patent number 1,643,760
    • Issue date Sep 27, 1927
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    1596635

    • Patent number 1,596,635
    • Issue date Aug 17, 1926
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...