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Ballast feedback scheme
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Patent number 6,100,646
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Issue date Aug 8, 2000
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Philips Electronics North America Corporation
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Jerzy Janczak
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Dimmable compact fluorescent lamp
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Patent number 6,043,611
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Issue date Mar 28, 2000
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Philips Electronics North America Corporation
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Pawel M. Gradzki
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Dimmable, single stage fluorescent lamp
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Patent number 5,982,159
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Issue date Nov 9, 1999
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Philips Electronics North America Corporation
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Jerzy Janczak
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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