Beulah Louise Henry (February 11, 1887 – 1973[1]) was an American inventor from Memphis,Tennessee. She has the nickname Lady Edison. She was awarded many patents including a bobbin-free sewing machine and a vacuum ice cream freezer.
A partial list of Henry's inventions includes:[2]
* vacuum ice cream freezer (1912)
* umbrella with a variety different colored snap-on cloth covers (1924)
* the first bobbinless sewing machine (1940)
* "Protograph" - worked with a manual typewriter to make four copies of a document (1932)
* "Continuously-attached Envelopes" for mass mailings (1952)
* "Dolly Dips" soap-filled sponges for children (1929)
* "Miss Illusion" doll with eyes that could change color and close (1935)
[edit] References
1. ^ IEEE History Center Biography of Beula Louise Henry. ieee.org. Retrieved on 2006-08-07.
2. ^ Beulah Henry at about.com. about.com. Retrieved on 2006-08-07.
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