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DEAR ALL, SWAMI VIVEKANANDA JAYANTHI, JANUARY 12 2011 Swami Vivekananda was born in Calcutta (Now Kolkata) Monday in a traditional family...
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Sunday, September 4, 2011
Timeline of women inventors
Timeline of Women Inventions
Listed below are some inventions created by women.
Invention
Inventor
Year
6-marcaptopurine
Gertrude Belle Elion
1953
Battery Container
Nancy Perkins
1986
Car Heater
Margaret Wilcox
1893
Circular Saw
Tabitha Babbit
1812
Cooking Stove
Elizabeth Hawk
1867
Direct and Return Mailing Envelope
Beulah Henry
1962
Disposable Cell Phone
Randi Altschul
1999
Disposable Diaper
Marion Donovan
1946
Dolly Dips
Beulah Henry
1929
Drinking Fountain Device
Laurene O’Donnell
1985
Electric Hot Water Heater
Ida Forbes
1917
Elevated Railway
Mary Walton
1881
Fire Escape
Anna Connelly
1887
Geobond
Patricia Billings
1997
Globes
Ellen Fitz
1875
Kevlar
Stephanie Kwolek
1964
Life Raft
Maria Beaseley
1882
Liquid Paper
Bette Nesmith Graham
1980
Locomotive Chimney
Mary Walton
1879
Practical Dishwasher
Josephine Cochran
Refrigerator
Florence Parpart
1914
Self-Cleaning House
Frances Gabe
No patent yet
Wind Shield Wiper
Mary Anderson
1903
Wristies
K.K. Gregory
1997
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