Inventions What African-American inventor received 5 patents in the field of shoemaking? Lewis Latimer Jan Ernst Matzeliger Ernest Just Elijah McCoy Lewis Latimer Jan Ernst Matzeliger Ernest Just Elijah McCoy ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the Internet first implemented? 1950s 1960s 1940s 1980s 1950s 1960s 1940s 1980s ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Jet Engine? Roger Bacon Gottlieb Daimler Lewis E. Waterman Sir Frank Whittle Roger Bacon Gottlieb Daimler Lewis E. Waterman Sir Frank Whittle ANSWER DOWNLOAD EXAMIANS APP
Inventions What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent? Telephone Early Warning Television Electricity Telephone Early Warning Television Electricity ANSWER DOWNLOAD EXAMIANS APP
Inventions It travels over land and water. Who invented the HOVERCRAFT? T. Henman O. Stricheg C. Cockerell S. Sperrow T. Henman O. Stricheg C. Cockerell S. Sperrow ANSWER DOWNLOAD EXAMIANS APP
Inventions What now-ubiquitous device was invented by Zenith engineer Eugene Polley in 1955? Calculator Remote control Microwave oven VCR Calculator Remote control Microwave oven VCR ANSWER DOWNLOAD EXAMIANS APP
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