These Famous Inventions Are All-American – How Many Can You Name? Which American invention revolutionized communication and was patented by Alexander Graham Bell in 1876? Telegraph Radio Telephone Television None Which American invention, introduced by Thomas Edison, brought electric light into homes and businesses? Phonograph Telegraph Light bulb Steam engine None Which American invention, pioneered by Eli Whitney, dramatically increased the efficiency of cotton production? Cotton gin Steamboat Cotton picker Assembly line None Which American invention, created by the Wright brothers, marked the beginning of modern aviation? Blimps Airplane Motorized Bird Flying saucer None Which American invention, developed by Steve Jobs and his team, revolutionized the computing industry? Microchip Smartphone Personal computer Digital camera None Time's up Most Popular Most Popular
