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Whitcomb L. Judson
Zipper
- Mr. Judson, an American engineer from Chicago, was awarded 30 patents over a 16 year inventing career.
- In 1890, he invented a metal zipper device with locking
teeth which he patented as a "clasp-locker'' on Aug. 29, 1893.
- Like many inventions, his invention needed improvement to
make it more usable for everyone.
- A Swedish-American engineer Gideon Sundbach helped improve
it.
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