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Margaret E. Knight

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1

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1871

mechanicalmanufacturingconsumer_goodspackaging

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1

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1 patents, in 1871

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18711872

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US 116842·1871

How Margaret Knight's Machine Made Flat-Bottom Paper Bags

This 1871 patent by Margaret Knight describes a machine that automatically folds and glues paper to create flat-bottom bags, a major improvement over earlier V-shaped designs.

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