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1900 Fly swatter. A fly swatter is a hand-held device for swatting and killing flies and other insects. The first modern fly-destruction device was invented in 1900 by Robert R. Montgomery, an entrepreneur based in Decatur, Illinois. [75] On January 9, 1900, Montgomery was issued U.S. patent #640,790 for the "Fly-Killer". [76] 1900 Thumbtack
1875: Fyodor Pirotsky invents the first electric tram near Saint Petersburg, Russia. 1876: Nicolaus August Otto invents the four-stroke cycle. 1876: Alexander Graham Bell has a patent granted for the telephone. However, other inventors before Bell had worked on the development of the telephone and the invention had several pioneers. [431]
Many years later, Evans' invention would be sold off for parts. On July 16, 2005, Philadelphia celebrated the 200th anniversary of Oliver Evans's Orukter Amphibolos. Many historians describe Oliver Evans' invention as the United States' first land and water transporter. [46] 1805 Vapor-compression refrigeration. Schematic of Gorrie's 1841 ice ...
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
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.
Timeline of United States inventions (1890–1945) Timeline of United States inventions (after 1991) 0–9. 2-in-1 laptop; 8-track cartridge; 19-inch rack; 90 nm ...
Denison Hydraulics Inc., originally known as the Cook Motor Co., was founded in 1900 in Delaware, Ohio, as a manufacturer of heavy duty industrial gasoline engines. The main problem was that they were big, heavy, and only single-cylinder. For example, a typical 50 hp engine weighed 3 tons. After World War I, Mr. Cook wanted to retire. Bill ...
1801 – Paris, France – Second Exposition (1801). After the success of the exposition of 1798 a series of expositions for French manufacturing followed (1801, 1802, 1806, 1819, 1823, 1827, 1834, 1844 and 1849) until the first properly international (or universal) exposition in France in 1855.