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3017548
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Patent number 3,017,548
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Issue date Jan 16, 1962
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H01 - BASIC ELECTRIC ELEMENTS
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2870344
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Patent number 2,870,344
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Issue date Jan 20, 1959
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H01 - BASIC ELECTRIC ELEMENTS
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1914114
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Patent number 1,914,114
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Issue date Jun 13, 1933
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H01 - BASIC ELECTRIC ELEMENTS
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1908316
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Patent number 1,908,316
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Issue date May 9, 1933
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H01 - BASIC ELECTRIC ELEMENTS
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1872214
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Patent number 1,872,214
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Issue date Aug 16, 1932
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H01 - BASIC ELECTRIC ELEMENTS
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1830501
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Patent number 1,830,501
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Issue date Nov 3, 1931
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H01 - BASIC ELECTRIC ELEMENTS
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1788541
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Patent number 1,788,541
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Issue date Jan 13, 1931
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H01 - BASIC ELECTRIC ELEMENTS
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1782129
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Patent number 1,782,129
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Issue date Nov 18, 1930
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H01 - BASIC ELECTRIC ELEMENTS
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1781641
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Patent number 1,781,641
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Issue date Nov 11, 1930
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H01 - BASIC ELECTRIC ELEMENTS
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1780056
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Patent number 1,780,056
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Issue date Oct 28, 1930
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H01 - BASIC ELECTRIC ELEMENTS
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1764770
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Patent number 1,764,770
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Issue date Jun 17, 1930
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H01 - BASIC ELECTRIC ELEMENTS
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1743186
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Patent number 1,743,186
-
Issue date Jan 14, 1930
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H01 - BASIC ELECTRIC ELEMENTS
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1727963
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Patent number 1,727,963
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Issue date Sep 10, 1929
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H01 - BASIC ELECTRIC ELEMENTS
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1721681
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Patent number 1,721,681
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Issue date Jul 23, 1929
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H01 - BASIC ELECTRIC ELEMENTS
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1710806
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Patent number 1,710,806
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Issue date Apr 30, 1929
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H01 - BASIC ELECTRIC ELEMENTS
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1691806
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Patent number 1,691,806
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Issue date Nov 13, 1928
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C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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1409383
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Patent number 1,409,383
-
Issue date Mar 14, 1922
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H01 - BASIC ELECTRIC ELEMENTS