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Richard K. Bergquist
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New Hope, MN, US
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last 30 patents
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Patent Grant
Stackable tray for paper stock and drawings
Patent number
D348284
Issue date
Jun 28, 1994
Liberty Diversified Industries
Stanley R. Thorud
D19 - Office supplies
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Patent Grant
Stackable and reversible trays for storing drawing sheets, paper st...
Patent number
5,318,182
Issue date
Jun 7, 1994
Liberty Diversified Industries
Stanley R. Thorud
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL