Search results
Results from the WOW.Com Content Network
Garrett Augustus Morgan Sr. (March 4, 1877 – July 27, 1963) was an American inventor, businessman, and community leader. His most notable inventions were a type of three-way traffic signal in 1923, [ 1 ] and a protective 'smoke hood' [ 2 ] notably used in a 1916 tunnel construction disaster rescue.
[1]: 386–7 After witnessing an accident between an automobile and a horse-drawn carriage, inventor Garrett Morgan filed a U.S. patent for a traffic signal. [20] Patent No. 1,475,024 was granted on 20 November 1923 for Morgan's three-position traffic signal. [21] A further development of traffic signals were staggered systems.
Morgan, Garrett: 1877–1963 Inventor Invented an early version of a gas mask called a smoke hood, and created the first traffic light that included a third "warning" position which is standard today. Morgan also developed a chemical that was used in hair products for hair-straightening. [150] [151] Nriagu, Jerome: 1944– Geochemist
It’s been a century since Garrett Morgan patented the three-position traffic signal. Sandra Morgan, his granddaughter, says she’s fought to keep his legacy alive.
For premium support please call: 800-290-4726 more ways to reach us
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 ...
Garrett A. Morgan (1877–1963), U.S. – inventor of the smoke hood; ... The heroic theory of invention and scientific development; Timeline of historic inventions;
The timeline of historic inventions is a chronological list of particularly significant technological inventions and their inventors, where known. [ a ] The dates in this article make frequent use of the units mya and kya , which refer to millions and thousands of years ago, respectively.