Which revolutionary packaging invention was patented in 1963, dramatically extending product shelf life and reducing food waste, but was initially rejected by major food companies as too radical?

Throughout history, product packaging innovations have transformed how we preserve, transport, and consume goods. These discoveries often go unnoticed despite their tremendous impact on our daily lives and the evolution of retail. Test your knowledge about a groundbreaking packaging invention that changed an entire industry and continues to influence modern packaging design principles.

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Tetra Pak aseptic carton - allowing milk and juice to be stored without refrigeration
Aerosol spray can with propellant - enabling pressurized dispensing of products
Child-proof medicine bottle - featuring the push-and-turn safety cap mechanism
Vacuum-sealed plastic packaging - creating an oxygen barrier for perishables