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Whitcomb L. Judson was an American mechanical engineer from Chicago who was the first to invent, conceive of the idea, and to construct a workable zipper. [35] Using a hook-and-eye device, Judson intended for this earliest form of the zipper to be used on shoes.
The following articles cover the timeline of United States inventions: Timeline of United States inventions (before 1890), before the turn of the century;
Official credit for the invention of the electric trolley pole has gone to an American, Frank J. Sprague, who devised his working system in Richmond, Virginia, in 1888. [270] Known as the Richmond Union Passenger Railway , this 12-mile system was the first large-scale trolley line in the world, opening to great fanfare on February 12, 1888.
From the first Apple computer to the COVID-19 vaccine, here are the most revolutionary inventions that were born in the U.S.A. in the past half-century.
A. Gas centrifuge; A Manufacturing Language; Abel Axe; Aberdeen chronograph; Abraham Lincoln's patent; Acrylic paint; Active Denial System; Active pen; Active-pixel sensor
Granville Tailer Woods (April 23, 1856 – January 30, 1910) was an American inventor who held more than 50 patents in the United States. [1] He was the first African American mechanical and electrical engineer after the Civil War. [2] Self-taught, he concentrated most of his work on trains and streetcars.
The invention of the cotton gin by American inventor Eli Whitney, combined with the widespread prevalence of slavery in the United States and U.S. settler expansion made cotton potentially a cheap and readily available resource for use in the new textile industry.
Behind many of the world's most important inventions were ... made in 1896, was powered by ethanol, had four bicycle wheels, and went at a top speed of 20 miles per hour. The vehicle resembled a ...