• 1910s - wikipedia
    Gideon sundback patented the first modern zipper. harry brearley invented stainless steel. charles strite invented the first pop-up bread toaster. [citation needed].

Gideon Sundback Zipper Biography on rachaeledwards.com

1910s - wikipedia, Gideon sundback patented modern zipper. harry brearley invented stainless steel. charles strite invented pop- bread toaster. [citation needed].