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Noise filter
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Patent number 10,263,589
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Issue date Apr 16, 2019
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Mitsubishi Electric Corporation
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Yusuke Tsubaki
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H03 - BASIC ELECTRONIC CIRCUITRY
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Induction neutralizing transformer
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Patent number 8,059,725
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Issue date Nov 15, 2011
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AT&T Intellectual Property I, L.P.
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Russell P. Gundrum
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Load coil device
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Patent number 6,546,100
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Issue date Apr 8, 2003
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Nortel Networks Limited
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Michael Robert Drew
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3531780
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Patent number 3,531,780
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Issue date Sep 29, 1970
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G11 - INFORMATION STORAGE
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3496292
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Patent number 3,496,292
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Issue date Feb 17, 1970
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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2362549
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Patent number 2,362,549
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Issue date Nov 14, 1944
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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2232642
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Patent number 2,232,642
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Issue date Feb 18, 1941
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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2135609
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Patent number 2,135,609
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Issue date Nov 8, 1938
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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1894335
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Patent number 1,894,335
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Issue date Jan 17, 1933
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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1772558
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Patent number 1,772,558
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Issue date Aug 12, 1930
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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1733127
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Patent number 1,733,127
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Issue date Oct 29, 1929
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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1654890
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Patent number 1,654,890
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Issue date Jan 3, 1928
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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1654084
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Patent number 1,654,084
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Issue date Dec 27, 1927
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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1583827
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Patent number 1,583,827
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Issue date May 11, 1926
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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1564201
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Patent number 1,564,201
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Issue date Dec 8, 1925
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H04 - ELECTRIC COMMUNICATION TECHNIQUE