The Surprisingly Complex Design of the Ziploc Bag
(Photo: Wei Tchou)Technically speaking, Ziploc is a brand name. Whatever the brand, the design c... ...ever the brand, the design concept is the same: a bag that separates and reseals with a plastic zipper.... ...r Borge Madsen developed the practical resealable bag in 1950. I...
https://www.neatorama.com/2015/04/23/The-Surprisingly-Complex-Design-of-the-Ziploc-Bag/
