Inventions By Women
The following is a partial list of the many ingenious inventions by women.
|Alphabet blocks||Adeline D. T. Whitney||1882|
|Apgar tests, which evaluate a baby’s health upon birth||Virginia Apgar||1952|
|Chocolate-chip cookies||Ruth Wakefield||1930|
|Circular saw||Tabitha Babbitt||1812|
|Disposable diaper||Marion Donovan||1950|
|Electric hot water heater||Ida Forbes||1917|
|Elevated railway||Mary Walton||1881|
|Engine muffler||El Dorado Jones||1917|
|Fire escape||Anna Connelly||1887|
|Ironing board||Sarah Boone||1892|
|Kevlar, a steel-like fiber used in radial tires, crash helmets, and bulletproof vests||Stephanie Kwolek||1966|
|Life raft||Maria Beaseley||1882|
|Liquid Paper®, a quick-drying liquid used to correct mistakes printed on paper||Bessie Nesmith||1951|
|Locomotive chimney||Mary Walton||1879|
|Medical syringe||Letitia Geer||1899|
|Paper-bag-making machine||Margaret Knight||1871|
|Rolling pin||Catherine Deiner||1891|
|Rotary engine||Margaret Knight||1904|
|Scotchgard™ fabric protector||Patsy O. Sherman ||1956|
|Snugli® baby carrier||Ann Moore||1965|
|Street-cleaning machine||Florence Parpart||1900|
|Submarine lamp and telescope||Sarah Mather ||1845|
|Windshield wiper||Mary Anderson||1903|
We'll probably never know how many women inventors there were. That's because in the early years of the United States, a woman could not get a patent in her own name. A patent is considered a kind of property, and until the late 1800s laws forbade women in most states from owning property or entering into legal agreements in their own names. Instead, a woman's property would be in the name of her father or husband.
For example, many people believe that Sybilla Masters was the first American woman inventor. In 1712 she developed a new corn mill, but was denied a patent because she was a woman. Three years later the patent was filed successfully in her husband's name.
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