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Inflatable self-supporting bag
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Patent number 4,941,754
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Issue date Jul 17, 1990
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Paul Murdock
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Trash bag with inflatable rim
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Patent number 4,867,576
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Issue date Sep 19, 1989
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E. Gordon Boyd
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3742994
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Patent number 3,742,994
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Issue date Jul 3, 1973
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3556186
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Patent number 3,556,186
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Issue date Jan 19, 1971
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL