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Naxon was inspired to create the slow cooker by a story from his mother which told how back in her native Lithuanian town, his grandmother made a traditional Jewish stew called cholent which took several hours to cook in an oven. [9] [10] [11] In 1936, he applied for a patent for the slow cooker. [4] [12] On January 23, 1940, he received that ...
Thomas L. Jennings (c. 1791 – February 12, 1859) was an African-American inventor, tradesman, entrepreneur, and abolitionist in New York City, New York.He has the distinction of being the first African-American patent-holder in history; he was granted the patent in 1821 for his novel method of dry cleaning. [1]
Rebecca “Becky” Schroeder (born 1962) is an American inventor and one of the youngest females to be granted a U.S. patent at the age of 12. [1] At the age of 10, she conceived the idea of a luminescent backing sheet that would enable writing in the dark. This innovation led to her receiving U.S. Patent 3,832,556 on August 27, 1974. [2]
Some people see life in terms of a photograph or a song or a short story; Lemelson sees it in terms of a patent. He thinks in patents, and sometimes he dreams in patents. Lemelson holds patents on machine-vision systems, an industrial robot, a fax machine, a copy machine, a tape-recorder drive, and a camcorder.
Illustration from the 1909 Canadian patent for the Robertson screw. Peter Lymburner Robertson (December 10, 1879 – September 28, 1951) was a Canadian inventor, industrialist, salesman, and philanthropist who popularized the square-socket drive for screws, often called the Robertson drive.
Seth Boyden (November 17, 1788 – March 31, 1870) was an American inventor. Boyden perfected the process for making patent leather, created malleable iron, invented a nail-making machine, and built his own steamboat. He is also credited with having invented a cut off switch for steam engines and a method for producing zinc from ore.
William B. Purvis (12 August 1838 – 10 August 1914) [1] was an African-American inventor and businessman who received multiple patents in the late 19th-century. His inventions included improvements on paper bags, an updated fountain pen design, improvement to the hand stamp, and a close-conduit electric railway system.
Little is known about her early life, [citation needed] which was common for many women of her era, whose personal histories were often overshadowed by their male counterparts. [1] Wilcox showed an early interest in mechanical engineering despite the social conventions of her era, which often restricted women's roles to domestic domains.