Which inventor created the first successful resealable packaging technology that led to the development of modern zip-lock bags?

Throughout history, packaging innovations have transformed how products reach consumers, preserve freshness, and create brand identity. Behind many everyday packages we take for granted are brilliant inventions that solved critical problems in product distribution and marketing. This poll tests your knowledge about a groundbreaking packaging innovation that revolutionized an entire industry and changed consumer habits worldwide.

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Steven Ausnit, who patented the 'Flexible Container with Interlocking Closure' in 1954
Ira Klem, who developed the 'Pressure Seal Packaging System' for NASA in 1962
Josephine Hamilton, who invented the 'Interlocking Food Preservation Pouch' in 1947
Robert Davis, who created the 'Hermetic Closure System' for military rations in 1958