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Lighting fixture
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Patent number 5,446,637
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Issue date Aug 29, 1995
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David W. Cunningham
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F21 - LIGHTING
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Lighting fixture
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Patent number 5,345,371
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Issue date Sep 6, 1994
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David W. Cunningham
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F21 - LIGHTING
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Dimmer rack
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Patent number 4,977,484
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Issue date Dec 11, 1990
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Lee Colortran Inc.
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David W. Cunningham
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Disk drive locking device
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Patent number 4,685,312
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Issue date Aug 11, 1987
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Lama Tool Company
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Robert P. Lakoski
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G11 - INFORMATION STORAGE