-
-
2297967
-
Patent number 2,297,967
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Issue date Oct 6, 1942
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E03 - WATER SUPPLY SEWERAGE
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1951253
-
Patent number 1,951,253
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Issue date Mar 13, 1934
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E03 - WATER SUPPLY SEWERAGE
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1935935
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Patent number 1,935,935
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Issue date Nov 21, 1933
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E03 - WATER SUPPLY SEWERAGE
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1808471
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Patent number 1,808,471
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Issue date Jun 2, 1931
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E03 - WATER SUPPLY SEWERAGE
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1679190
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Patent number 1,679,190
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Issue date Jul 31, 1928
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E03 - WATER SUPPLY SEWERAGE
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1679191
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Patent number 1,679,191
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Issue date Jul 31, 1928
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E03 - WATER SUPPLY SEWERAGE
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1675409
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Patent number 1,675,409
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Issue date Jul 3, 1928
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E03 - WATER SUPPLY SEWERAGE
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1601805
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Patent number 1,601,805
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Issue date Oct 5, 1926
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E03 - WATER SUPPLY SEWERAGE
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1597701
-
Patent number 1,597,701
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Issue date Aug 31, 1926
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E03 - WATER SUPPLY SEWERAGE
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1585200
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Patent number 1,585,200
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Issue date May 18, 1926
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E03 - WATER SUPPLY SEWERAGE
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1537955
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Patent number 1,537,955
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Issue date May 19, 1925
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E03 - WATER SUPPLY SEWERAGE
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1527471
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Patent number 1,527,471
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Issue date Feb 24, 1925
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E03 - WATER SUPPLY SEWERAGE
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1521900
-
Patent number 1,521,900
-
Issue date Jan 6, 1925
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E03 - WATER SUPPLY SEWERAGE
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1444132
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Patent number 1,444,132
-
Issue date Feb 6, 1923
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E03 - WATER SUPPLY SEWERAGE
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1282544
-
Patent number 1,282,544
-
Issue date Oct 22, 1918
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E03 - WATER SUPPLY SEWERAGE
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1239453
-
Patent number 1,239,453
-
Issue date Sep 11, 1917
-
B60 - VEHICLES IN GENERAL
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1185846
-
Patent number 1,185,846
-
Issue date Jun 6, 1916
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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1118955
-
Patent number 1,118,955
-
Issue date Dec 1, 1914
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E03 - WATER SUPPLY SEWERAGE
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1085055
-
Patent number 1,085,055
-
Issue date Jan 20, 1914
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E03 - WATER SUPPLY SEWERAGE
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1041911
-
Patent number 1,041,911
-
Issue date Oct 22, 1912
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E03 - WATER SUPPLY SEWERAGE
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945099
-
Patent number 945,099
-
Issue date Jan 4, 1910
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E03 - WATER SUPPLY SEWERAGE
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945423
-
Patent number 945,423
-
Issue date Jan 4, 1910
-
E03 - WATER SUPPLY SEWERAGE
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934035
-
Patent number 934,035
-
Issue date Sep 14, 1909
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E03 - WATER SUPPLY SEWERAGE
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927419
-
Patent number 927,419
-
Issue date Jul 6, 1909
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E03 - WATER SUPPLY SEWERAGE
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909871
-
Patent number 909,871
-
Issue date Jan 19, 1909
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E03 - WATER SUPPLY SEWERAGE
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882209
-
Patent number 882,209
-
Issue date Mar 17, 1908
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E03 - WATER SUPPLY SEWERAGE
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827324
-
Patent number 827,324
-
Issue date Jul 31, 1906
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E03 - WATER SUPPLY SEWERAGE
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777245
-
Patent number 777,245
-
Issue date Dec 13, 1904
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E03 - WATER SUPPLY SEWERAGE
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719680
-
Patent number 719,680
-
Issue date Feb 3, 1903
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E03 - WATER SUPPLY SEWERAGE