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Electric incandescent lamp
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Patent number 4,414,484
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Issue date Nov 8, 1983
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U.S. Philips Corporation
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Victor R. Notelteirs
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H01 - BASIC ELECTRIC ELEMENTS
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Halogen incandescent lamp
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Patent number 4,396,858
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Issue date Aug 2, 1983
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U.S. Philips Corporation
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Victor R. Notelteirs
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H01 - BASIC ELECTRIC ELEMENTS
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Halogen incandescent lamp
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Patent number 4,367,428
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Issue date Jan 4, 1983
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U.S. Philips Corporation
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Victor R. Notelteirs
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H01 - BASIC ELECTRIC ELEMENTS
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Halogen incandescent lamp
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Patent number 4,331,900
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Issue date May 25, 1982
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U.S. Philips Corporation
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Victor R. Notelteirs
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H01 - BASIC ELECTRIC ELEMENTS
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Halogen incandescent lamp
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Patent number 4,314,176
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Issue date Feb 2, 1982
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U.S. Philips Corporation
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Victor R. Notelteirs
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H01 - BASIC ELECTRIC ELEMENTS
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Incandescent lamp-reflector unit
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Patent number 4,081,708
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Issue date Mar 28, 1978
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U.S. Philips Corporation
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Victor Rosallie Notelteirs
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H01 - BASIC ELECTRIC ELEMENTS
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Electric lamp
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Patent number 3,991,337
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Issue date Nov 9, 1976
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U.S. Philips Corporation
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Victor Rosallie Notelteirs
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H01 - BASIC ELECTRIC ELEMENTS