-
3029444
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Patent number 3,029,444
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Issue date Apr 17, 1962
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E03 - WATER SUPPLY SEWERAGE
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2526382
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Patent number 2,526,382
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Issue date Oct 17, 1950
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E03 - WATER SUPPLY SEWERAGE
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1699824
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Patent number 1,699,824
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Issue date Jan 22, 1929
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E03 - WATER SUPPLY SEWERAGE
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1537807
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Patent number 1,537,807
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Issue date May 12, 1925
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E03 - WATER SUPPLY SEWERAGE
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1461673
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Patent number 1,461,673
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Issue date Jul 10, 1923
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E03 - WATER SUPPLY SEWERAGE
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1436350
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Patent number 1,436,350
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Issue date Nov 21, 1922
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E03 - WATER SUPPLY SEWERAGE
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1308382
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Patent number 1,308,382
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Issue date Jul 1, 1919
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E03 - WATER SUPPLY SEWERAGE
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1306285
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Patent number 1,306,285
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Issue date Jun 10, 1919
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E03 - WATER SUPPLY SEWERAGE
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1299789
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Patent number 1,299,789
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Issue date Apr 8, 1919
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E03 - WATER SUPPLY SEWERAGE
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1224845
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Patent number 1,224,845
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Issue date May 1, 1917
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E03 - WATER SUPPLY SEWERAGE
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1192785
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Patent number 1,192,785
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Issue date Jul 25, 1916
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E03 - WATER SUPPLY SEWERAGE
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1125219
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Patent number 1,125,219
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Issue date Jan 19, 1915
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E03 - WATER SUPPLY SEWERAGE
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1077329
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Patent number 1,077,329
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Issue date Nov 4, 1913
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E03 - WATER SUPPLY SEWERAGE
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965479
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Patent number 965,479
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Issue date Jul 26, 1910
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E03 - WATER SUPPLY SEWERAGE
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962765
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Patent number 962,765
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Issue date Jun 28, 1910
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E03 - WATER SUPPLY SEWERAGE
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951758
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Patent number 951,758
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Issue date Mar 8, 1910
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E03 - WATER SUPPLY SEWERAGE
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932939
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Patent number 932,939
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Issue date Aug 31, 1909
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E03 - WATER SUPPLY SEWERAGE
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920126
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Patent number 920,126
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Issue date May 4, 1909
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E03 - WATER SUPPLY SEWERAGE
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909537
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Patent number 909,537
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Issue date Jan 12, 1909
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E03 - WATER SUPPLY SEWERAGE
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858166
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Patent number 858,166
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Issue date Jun 25, 1907
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E03 - WATER SUPPLY SEWERAGE
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807924
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Patent number 807,924
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Issue date Dec 19, 1905
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E03 - WATER SUPPLY SEWERAGE
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800227
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Patent number 800,227
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Issue date Sep 26, 1905
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E03 - WATER SUPPLY SEWERAGE
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758970
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Patent number 758,970
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Issue date May 3, 1904
-
E03 - WATER SUPPLY SEWERAGE
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678843
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Patent number 678,843
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Issue date Jul 16, 1901
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E03 - WATER SUPPLY SEWERAGE
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667878
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Patent number 667,878
-
Issue date Feb 12, 1901
-
E03 - WATER SUPPLY SEWERAGE
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660178
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Patent number 660,178
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Issue date Oct 23, 1900
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E03 - WATER SUPPLY SEWERAGE
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653005
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Patent number 653,005
-
Issue date Jul 3, 1900
-
E03 - WATER SUPPLY SEWERAGE
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630437
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Patent number 630,437
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Issue date Aug 8, 1899
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E03 - WATER SUPPLY SEWERAGE
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586924
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Patent number 586,924
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Issue date Jul 20, 1897
-
E03 - WATER SUPPLY SEWERAGE
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570487
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Patent number 570,487
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Issue date Nov 3, 1896
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E03 - WATER SUPPLY SEWERAGE