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Food packaging improvements
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Patent number 5,126,174
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Issue date Jun 30, 1992
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Wm. Wrigley Jr. Company
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Steven B. Courtright
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Food packaging improvements
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Patent number 5,064,698
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Issue date Nov 12, 1991
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Wm. Wrigley, Jr. Company
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Steven B. Courtright
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Method of making chewing gum
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Patent number 4,806,364
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Issue date Feb 21, 1989
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Wm. Wrigley Jr. Company
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Robin M. Kubota
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES