-
-
-
-
3865541
-
Patent number 3,865,541
-
Issue date Feb 11, 1975
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F27 - FURNACES KILNS OVENS RETORTS
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3712598
-
Patent number 3,712,598
-
Issue date Jan 23, 1973
-
F27 - FURNACES KILNS OVENS RETORTS
-
3603569
-
Patent number 3,603,569
-
Issue date Sep 7, 1971
-
F27 - FURNACES KILNS OVENS RETORTS
-
3584850
-
Patent number 3,584,850
-
Issue date Jun 15, 1971
-
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
-
3206526
-
Patent number 3,206,526
-
Issue date Sep 14, 1965
-
F27 - FURNACES KILNS OVENS RETORTS
-
2965366
-
Patent number 2,965,366
-
Issue date Dec 20, 1960
-
F27 - FURNACES KILNS OVENS RETORTS
-
2653809
-
Patent number 2,653,809
-
Issue date Sep 29, 1953
-
F27 - FURNACES KILNS OVENS RETORTS
-
2153385
-
Patent number 2,153,385
-
Issue date Apr 4, 1939
-
F27 - FURNACES KILNS OVENS RETORTS
-
1834963
-
Patent number 1,834,963
-
Issue date Dec 8, 1931
-
F27 - FURNACES KILNS OVENS RETORTS
-
1793499
-
Patent number 1,793,499
-
Issue date Feb 24, 1931
-
F27 - FURNACES KILNS OVENS RETORTS
-
1766453
-
Patent number 1,766,453
-
Issue date Jun 24, 1930
-
F27 - FURNACES KILNS OVENS RETORTS
-
1707191
-
Patent number 1,707,191
-
Issue date Mar 26, 1929
-
F27 - FURNACES KILNS OVENS RETORTS