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Control system for loading docks
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Patent number 5,831,540
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Issue date Nov 3, 1998
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United Dominion Ind., Inc.
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Vincent Sullivan
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Vertically storing dock leveler
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Patent number 5,396,676
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Issue date Mar 14, 1995
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The Serco Corporation
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James C. Alexander
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Wedge seal for loading dock shelter
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Patent number 5,048,246
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Issue date Sep 17, 1991
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Serco Corporation
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Vince P. Sullivan
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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