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Lighting unit
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Patent number D468472
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Issue date Jan 7, 2003
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Hubbell Incorporated
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Jeffery Mullally
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D26 - Lighting
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Universal emergency sign
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Patent number 6,457,270
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Issue date Oct 1, 2002
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Frederick W. Stark
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Taxi hailing device
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Patent number 6,334,697
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Issue date Jan 1, 2002
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Evan Gappelberg
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F21 - LIGHTING
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Universal emergency sign
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Patent number D445138
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Issue date Jul 17, 2001
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Frederick W. Stark
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D20 - Sales and advertising equipment
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Magnifier lens assembly
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Patent number 4,958,913
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Issue date Sep 25, 1990
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Luxo Lamp Corporation
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Irving Schaffer
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G02 - OPTICS
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Lamp for a work station
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Patent number D284310
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Issue date Jun 17, 1986
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Ledu Corporation
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Irving Schaffer
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D26 - Lighting