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 Which invention did lady edison receive her first patent on?

Answer Lady Edison is the nickname given to Beulah Louise Henry, born in 1887, who invented more than 100 products. Her first patent, when she was only 24 years old, was the ice freezer with a vacuum sea... Read More »
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For what invention did Lincoln receive a patent?

Abraham Lincoln received a patent for inventing an inflatable bellows device that would lift boats over sand bars, but it was never manufactured. The patent number is 6469 and it was issued on May ... Read More »
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What is Thomas Edison's favorite invention?

Thomas Edison's favorite invention was the phonograph, according to Massachusetts Institute of Technology (MIT). Edison developed the wax-cylinder phonograph in 1888 and a musical home theater syst... Read More »
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When did Thomas Edison patent the first experimental electric typewriter?

Thomas Alva Edison patented his design for the first experimental electric typewriter in 1872. However, Edison's design did not function as well as intended. The first working electric typewriter c... Read More »
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Who signed thomas edison's patent for the light bulb?

Thomas Edison signed his patent for the light bulb, along with his lawyer, Lemuel W. Terrell, and two witnesses: Charles H. smith and George T. Pinckney. Granted January 27, 1880, it is patent num... Read More »
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