INVENTIONS

               

              Whitcomb L. Judson was an American engineer from Chicago, Illinois, who invented the zipper. Judson untested his clasp-locker on Aug. 29, 1893; later in 1893 and  he exhibited this new invention at the Chicago World's Fair. Judson and Lewis Walker founded the Universal Fastener Company to manufacture these fasteners. They never succeeded in selling Judson's new device. He died in 1909, before his invention became universally used and well known.

           

Gideon Sundbach (Swedish-American engineer who was improved the zipper in 1913)

               The zipper was improved in 1913 by Gideon Sundbach, a the Swedish-American engineer a former employee of Judson. Sundbach was successful at selling his invention, which he called the Hookless 2. He sold these fasteners to the US Army, who put zippers on soldiers' clothing and gear during World War I.