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Robert W. Vergobbi first patented ____ on May 18, 1954. Later that year Minigrip licensed them, intending to use them as pencil bags. It would soon be discovered that the bags could do much more. Robert Lejeune, a 5th grader, won the National Science Fair by demonstrating the ability for _____ bags to retard food spoilage. Dow Chemical marketed this ability to the public by introducing _______ food storage bags to consumers in 1968. In 1984 ITW purchased Minigrip. Then in 1986, ITW and Dow Chemical joined forces with ____ to produce a resealable feature on packaging. ITW purchased Dow’s share of the business in 1991 and formed Minigrip. They would attempt to expand resealable packaging to new markets. Meanwhile, in 1996, Hefty came out with a sliding _____.In 1997 Dow Chemical sold the rights of DowBrands, which included _______, to SC Johnson for somewhere between US$1.3 and US$1.7 billion.

Ans:ZipLoc