Zipper
When inventor and farm
implement salesman Whitcomb Judson unveiled his newly patented
"clasp-locker"--which featured a central guide that hooked together the
fastening clasps when pulled upward--at the 1893 Columbian Exposition in
Chicago, the odd-looking and ungainly device failed to impress. The
modern zipper didn't come about until the 1920s, when Goodyear put an
improved version of the fastener on its Zipper galoshes.
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