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United States Utility Patents
5,869,930 - 5,869,939

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NumberTitle
5,869,930 Electroluminescent light source with a mixture layer filled with a transparent filler substance
5,869,931 Fluorescent lamp with heat radiation sheet member
5,869,932 Automatic illuminating apparatus of washing machine and control circuit thereof
5,869,933 WITHDRAWN
5,869,934 Barricade light control switch apparatus
5,869,935 Electronic ballast with inverter protection circuit
5,869,936 Strobe device
5,869,937 High efficiency electronic ballast
5,869,938 Current control apparatus in DC motor
5,869,939 Direct current motor with imbalanced winding for closed-loop feedback control



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