Inventions What African-American inventor received 5 patents in the field of shoemaking? Lewis Latimer Elijah McCoy Ernest Just Jan Ernst Matzeliger Lewis Latimer Elijah McCoy Ernest Just Jan Ernst Matzeliger ANSWER DOWNLOAD EXAMIANS APP
Inventions What beverage was invented by Charles Alderton in 1885 in Waco, Texas? Sprite Dr. Pepper Cream soda Coca-Cola Sprite Dr. Pepper Cream soda Coca-Cola ANSWER DOWNLOAD EXAMIANS APP
Inventions What Thomas Davenport invented? Electric streetcar Sleeping (railway) car Screw propellor Chesterfield Electric streetcar Sleeping (railway) car Screw propellor Chesterfield ANSWER DOWNLOAD EXAMIANS APP
Inventions Which of the following was first patented by an Australian in 1889? Electric Drill Electric Fence Electric Heater Electric Shaver Electric Drill Electric Fence Electric Heater Electric Shaver ANSWER DOWNLOAD EXAMIANS APP
Inventions Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that? Golf tee Motorboat Hang glider Water skis Golf tee Motorboat Hang glider Water skis ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the first solid state integrated circuit demonstrated? 1970s 1980s 1960s 1950s 1970s 1980s 1960s 1950s ANSWER DOWNLOAD EXAMIANS APP
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