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From 1836 to 2011, the United States Patent and Trademark Office (USPT granted a total of 7,861,317 patents [8] relating to several well-known inventions appearing throughout the timeline below. Some examples of patented inventions between the years 1890 and 1945 include John Froelich's tractor (1892), [9] Ransom Eli Olds' assembly line (1901 ...
The following articles cover the timeline of United States inventions: Timeline of United States inventions (before 1890), before the turn of the century; Timeline of United States inventions (1890–1945), before World War II; Timeline of United States inventions (1946–1991), during the Cold War; Timeline of United States inventions (after ...
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.
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.
A timeline of United States inventions (after 1991) encompasses the ingenuity and innovative advancements of the United States within a historical context, dating from the Contemporary era to the present day, which have been achieved by inventors who are either native-born or naturalized citizens of the United States.
Many Native American contributions to our modern world often go unrecognized, according to Gaetana DeGennaro, a museum specialist at the Smithsonian National Museum of the American Indian.
Most planters, however, purchased English-made silver. [11] In Boston, goldsmiths and silversmiths were stratified. The most prosperous were merchant-artisans, with a business outlook and high status. Most craftsmen were laboring artisans who either operated small shops or, more often, did piecework for the merchant artisans.
An American invention that was barely noticed in 1947 went on to usher in the Information Age. In that year John Bardeen , William Shockley , and Walter Brattain of Bell Laboratories drew upon highly sophisticated principles of quantum physics to invent the transistor , a key component in almost all modern electronics , which led to the ...