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Luminaire safety system
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Patent number 7,492,064
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Issue date Feb 17, 2009
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Signal Engineering Company-South
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John I. Vaughn
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H01 - BASIC ELECTRIC ELEMENTS
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3870846
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Patent number 3,870,846
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Issue date Mar 11, 1975
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H01 - BASIC ELECTRIC ELEMENTS
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3800112
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Patent number 3,800,112
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Issue date Mar 26, 1974
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H01 - BASIC ELECTRIC ELEMENTS
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3590196
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Patent number 3,590,196
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Issue date Jun 29, 1971
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3435165
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Patent number 3,435,165
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Issue date Mar 25, 1969
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B60 - VEHICLES IN GENERAL
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3336450
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Patent number 3,336,450
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Issue date Aug 15, 1967
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B60 - VEHICLES IN GENERAL
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2790863
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Patent number 2,790,863
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Issue date Apr 30, 1957
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H01 - BASIC ELECTRIC ELEMENTS
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1593740
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Patent number 1,593,740
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Issue date Jul 27, 1926
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H01 - BASIC ELECTRIC ELEMENTS