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Wilber 1 year ago
Wonderful! clapping
       
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Martin 1 year ago
Yay!
       
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Menaalmena 1 year ago
#7 she was Michael Nesmith's mom, he of The Monkees fame...
       
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Amos 1 year ago
heddy lamar was a spy!!! thats why she invented wireless stuff - actually nicola tesla was faster
       
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Calvin 1 year ago
“Hidden Figures” movie. A must watch.
       
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Marion Donovan Invented The Waterproof Diaper Cover

Marion Donovan was an inventor and entrepreneur. Her most famous invention was the first waterproof diaper cover. When Donovan became a mother, she would always get annoyed with leaking diapers because it would mean laundering all the bedding. So she decided to improve the diaper covers that weren’t that effective and made a new product of nylon parachute cloth, which also had the improvement of not causing a rash. She was the one who replaced safety pins with snaps to avoid pokes. She received her patent in 1951 and sold the rights that same year to Keko Corporation for $1 million. She also came up with the idea of a disposable diaper, but she needed to find a kind of paper that would be absorbent and would be gentle on sensitive baby skin. However, no paper manufacturer was interested, as to them, her invention didn’t seem necessary.

 

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Inventions That Were Made By Women, But Not Many People Know About Their Contributions
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