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Reflector lamp
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Patent number D337389
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Issue date Jul 13, 1993
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GTE Products Corporation
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Robert E. Levin
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D26 - Lighting
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Reflector lamp
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Patent number D336963
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Issue date Jun 29, 1993
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GTE Products Corporation
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Robert E. Levin
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D26 - Lighting
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Lighting lens
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Patent number 5,043,856
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Issue date Aug 27, 1991
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GTE Products Corporation
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Robert E. Levin
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G02 - OPTICS
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Lighting lens
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Patent number 4,991,073
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Issue date Feb 5, 1991
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GTE Products Corporation
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Robert E. Levin
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G02 - OPTICS
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Lamp reflector
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Patent number 4,769,748
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Issue date Sep 6, 1988
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GTE Products Corporation
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Robert E. Levin
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F21 - LIGHTING
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Motor vehicle headlight
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Patent number 4,723,198
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Issue date Feb 2, 1988
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GTE Products Corporation
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Robert E. Levin
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F21 - LIGHTING
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Lamp reflector
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Patent number 4,646,215
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Issue date Feb 24, 1987
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GTE Products Corporation
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Robert E. Levin
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F21 - LIGHTING
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Infrared floodlight
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Patent number 4,604,680
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Issue date Aug 5, 1986
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GTE Products Corporation
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Robert E. Levin
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F21 - LIGHTING
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Phototherapy irradiation chamber
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Patent number 4,103,175
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Issue date Jul 25, 1978
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GTE Sylvania Incorporated
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Robert E. Levin
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Dosimetry control method
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Patent number 4,058,752
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Issue date Nov 15, 1977
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GTE Sylvania Incorporated
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William C. Woods
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE