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Zipper storage bags, were patented by Robert W. Vergobbi on May 18, 1954.1 In the same year, Minigrip licensed them as pencil bags.2 Not until 1968 did Dow Chemical Company (already known for Styrofoam and Saran Wrap) begin marketing for them. Design alterations have allowed for applications beyond household food storage.3 The bags are known more commonly under the genericized trademark Ziploc.
References
- ^ United States Patent 6471402 - Formed stacking element integral with plastic storage bags
- ^ minigripdirect.com
- ^ Zipper Bags For Industrial and Commercial Use
External links
- Vacuum-seal Zipper Storage Bags - SpaceBag.com
- http://www.grayspackaging.co.uk/top-slider-grip-bags---zip-lock-30-c.asp
- press to close zippers
- press to Bolsas Con Cierre/Zip Lock Bags
Wikipedia content modification information:
- This page was last modified on 9 November 2008, at 18:21.
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