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A Zipper Patent Sat in a Garage for 40 Years. Now It's Real.
Back in 1985, an electrical engineer at Polaroid named Bill Freeman had an idea for a three-sided zipper. Not a novelty item, not a quirky art piece, but a genuinely functional fastener capable of switching objects between soft, floppy states and rigid, load-bearing structures. He submitted it to a design competition. They rejected it. He
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