arrangement of the charge

Patents Grantslast 30 patents

  • Information Patent Grant

    1912662

    • Patent number 1,912,662
    • Issue date Jun 6, 1933
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    1739151

    • Patent number 1,739,151
    • Issue date Dec 10, 1929
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    1396189

    • Patent number 1,396,189
    • Issue date Nov 8, 1921
    • F27 - FURNACES KILNS OVENS RETORTS