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-
-
-
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3521867
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Patent number 3,521,867
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Issue date Jul 28, 1970
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F27 - FURNACES KILNS OVENS RETORTS
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3036822
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Patent number 3,036,822
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Issue date May 29, 1962
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F27 - FURNACES KILNS OVENS RETORTS
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2921779
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Patent number 2,921,779
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Issue date Jan 19, 1960
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F27 - FURNACES KILNS OVENS RETORTS
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2151087
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Patent number 2,151,087
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Issue date Mar 21, 1939
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F27 - FURNACES KILNS OVENS RETORTS
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2042494
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Patent number 2,042,494
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Issue date Jun 2, 1936
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F27 - FURNACES KILNS OVENS RETORTS
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1898480
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Patent number 1,898,480
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Issue date Feb 21, 1933
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F27 - FURNACES KILNS OVENS RETORTS
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1779626
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Patent number 1,779,626
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Issue date Oct 28, 1930
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F27 - FURNACES KILNS OVENS RETORTS
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1230684
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Patent number 1,230,684
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Issue date Jun 19, 1917
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1188567
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Patent number 1,188,567
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Issue date Jun 27, 1916
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1094954
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Patent number 1,094,954
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Issue date Apr 28, 1914
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1078187
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Patent number 1,078,187
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Issue date Nov 11, 1913
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F27 - FURNACES KILNS OVENS RETORTS
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1051494
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Patent number 1,051,494
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Issue date Jan 28, 1913
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1044084
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Patent number 1,044,084
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Issue date Nov 12, 1912
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1039385
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Patent number 1,039,385
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Issue date Sep 24, 1912
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1004340
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Patent number 1,004,340
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Issue date Sep 26, 1911
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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996070
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Patent number 996,070
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Issue date Jun 27, 1911
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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909464
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Patent number 909,464
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Issue date Jan 12, 1909
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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865110
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Patent number 865,110
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Issue date Sep 3, 1907
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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864816
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Patent number 864,816
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Issue date Sep 3, 1907
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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843497
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Patent number 843,497
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Issue date Feb 5, 1907
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F27 - FURNACES KILNS OVENS RETORTS
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839053
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Patent number 839,053
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Issue date Dec 18, 1906
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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821994
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Patent number 821,994
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Issue date May 29, 1906
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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822022
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Patent number 822,022
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Issue date May 29, 1906
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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812834
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Patent number 812,834
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Issue date Feb 20, 1906
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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805213
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Patent number 805,213
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Issue date Nov 21, 1905
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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759357
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Patent number 759,357
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Issue date May 10, 1904
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES