Bars

Patents Grantslast 30 patents

  • Information Patent Grant

    3854863

    • Patent number 3,854,863
    • Issue date Dec 17, 1974
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    1876095

    • Patent number 1,876,095
    • Issue date Sep 6, 1932
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    1752432

    • Patent number 1,752,432
    • Issue date Apr 1, 1930
    • F27 - FURNACES KILNS OVENS RETORTS