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Electric lamp
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Issue date Jul 5, 2016
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Osram GmbH
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Andreas Nittke
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F21 - LIGHTING
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Lamp with safety switch
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Patent number 6,570,327
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Issue date May 27, 2003
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Koninklijke Philips Electronics N.V.
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Gervais Pinot
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H01 - BASIC ELECTRIC ELEMENTS
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Electric-light bulb
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Patent number 6,316,878
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Issue date Nov 13, 2001
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Nagafumi Tsukada
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H01 - BASIC ELECTRIC ELEMENTS
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3916249
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H01 - BASIC ELECTRIC ELEMENTS
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3886400
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H01 - BASIC ELECTRIC ELEMENTS
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3868540
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H01 - BASIC ELECTRIC ELEMENTS
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3638068
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B60 - VEHICLES IN GENERAL
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3524100
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Patent number 3,524,100
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H01 - BASIC ELECTRIC ELEMENTS
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3260888
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H01 - BASIC ELECTRIC ELEMENTS
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3227920
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H01 - BASIC ELECTRIC ELEMENTS
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2805356
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H01 - BASIC ELECTRIC ELEMENTS
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2518909
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G08 - SIGNALLING
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2242383
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H01 - BASIC ELECTRIC ELEMENTS
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2075436
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H01 - BASIC ELECTRIC ELEMENTS
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1982368
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H01 - BASIC ELECTRIC ELEMENTS