The world had to wait even longer for a machine to dry clothes. The first spin-drier was another American invention, patented in 1924; but it was 20 years before such machines were widely used. It was yet another American, called Bissell, who introduced the carpet sweeper. He patented ...
Burroughs; William Seward Burroughs (United States inventor who patented the first practical adding machine (1855-1898))Bushnell; David Bushnell; Father of the Submarine (American inventor who in 1775 designed a man-propelled submarine that was ineffectual but subsequently earned him recognition as a ...
Thomas Adams (May 4, 1818–February 7, 1905) was an American inventor. In 1871, he patented a machine that could mass producechewing gumfrom chicle. Adams later worked with businessman William Wrigley, Jr. to establish the American Chicle Company, which experienced great success in the chewing...
In 1914, Morgan patented a breathing device, or "safety hood," providing its wearers with a safer breathing experience in the presence of smoke, gases and other pollutants. Morgan worked hard to market the device, especially to fire departments, often personally demonstrating its reliability in f...
Patented a shoe lasting machine, increasing the speed of shoe production. Lewis Latimer Developed an improved process for manufacturing carbon filaments for light bulbs Charles Drew A pioneer in the field of blood transfusions who developed improved techniques for blood storage. ...
Young people who love invention "Xiao Shi, there is something wrong with my machine. Look at it for me." "Xiao Shi, this fabric is hard to perspire. Can you think of some ways to improve it?" "Xiao Shi, come over to try on the sample clothes", "Xiao Shi, the new sewing machine...
or One-Man-Band, a piano with a built-in synthesizer, rhythm box, and bass pedals that can all be played at the same time. He also developed and patented a singalong machine using "minus one" technology (originally on cassette tapes) in which vocals are subtracted from extant instrumental...
Following the momentum of his business success, Morgan’s patented sewing machine soon paved the way to his financial freedom, albeit in a rather unorthodox way. Hair Straightener In 1909, Morgan was working with sewing machines in his newly opened tailoring shop—a business he had opened with ...
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experimented with, marketed, and even patented traffic signals, Morgan was one of the first to apply for and acquire a U.S. patent for an inexpensive way to produce a traffic signal. The patent was granted on November 20, 1923. Morgan also had his invention patented in Great Britain and ...