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Ceramic arc tube by annealing
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Patent number 6,796,869
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Issue date Sep 28, 2004
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General Electric Company
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George Eric Coxon
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H01 - BASIC ELECTRIC ELEMENTS
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High pressure discharge lamp
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Patent number 6,639,362
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Issue date Oct 28, 2003
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General Electric Company
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Curtis Edward Scott
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H01 - BASIC ELECTRIC ELEMENTS
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Transparent polycrystalline garnets
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Patent number 5,484,750
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Issue date Jan 16, 1996
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General Electric Company
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Charles D. Greskovich
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Yttrium oxide ceramic body
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Patent number 4,755,492
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Issue date Jul 5, 1988
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General Electric Company
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Charles D. Greskovich
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES