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Halogen incandescent lamp
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Issue date Jun 24, 2008
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Koninklijke Philips Electronics N.V.
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Jacobus Marinus Maria Claassens
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Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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Halogen incandescent lamp
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Patent number 6,803,721
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Issue date Oct 12, 2004
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Koninklijke Philips Electronics N.V.
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Bernd Hofmann
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Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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3884540
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Patent number 3,884,540
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Issue date May 20, 1975
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H01 - BASIC ELECTRIC ELEMENTS
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3801178
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Patent number 3,801,178
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H01 - BASIC ELECTRIC ELEMENTS
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3413054
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Patent number 3,413,054
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H01 - BASIC ELECTRIC ELEMENTS
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3327155
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Patent number 3,327,155
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H01 - BASIC ELECTRIC ELEMENTS
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3274422
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Patent number 3,274,422
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H01 - BASIC ELECTRIC ELEMENTS
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3010045
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H01 - BASIC ELECTRIC ELEMENTS
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2921735
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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2816426
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F21 - LIGHTING
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2644100
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H01 - BASIC ELECTRIC ELEMENTS
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2464990
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Patent number 2,464,990
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H01 - BASIC ELECTRIC ELEMENTS
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2419432
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H01 - BASIC ELECTRIC ELEMENTS
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F21 - LIGHTING
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B60 - VEHICLES IN GENERAL
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Patent number 2,028,342
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H01 - BASIC ELECTRIC ELEMENTS
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1906188
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Patent number 1,906,188
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H01 - BASIC ELECTRIC ELEMENTS