![]() Fashion Jeans Asia, Spotlight on Jeans FashionZippers what the zip is it all about; Zip-fastereners business |
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The original Sundback patent for the "Separable Fastener" as it was filled on 20 March 1917 at the US patent office. Within the first year of operation, Sundback's zipper-making machinery was producing a few hundred feet of fastener per day.
Sundback Zip-fastener US pattent No: 1.219.881
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