Inventions What African-American inventor received 5 patents in the field of shoemaking? Lewis Latimer Jan Ernst Matzeliger Elijah McCoy Ernest Just Lewis Latimer Jan Ernst Matzeliger Elijah McCoy Ernest Just ANSWER DOWNLOAD EXAMIANS APP
Inventions Who synthesized the first wholly artificial gene? Hargobind Khorana Benjamin Franklin Meghnad Saha J.J. Thompson Hargobind Khorana Benjamin Franklin Meghnad Saha J.J. Thompson ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the AEEE (now the IEEE) founded? 1930s 1880s 1950s 1850s 1930s 1880s 1950s 1850s ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the BALLPOINT PEN? Write Brothers Waterman Brothers Bicc Brothers Biro Brothers Write Brothers Waterman Brothers Bicc Brothers Biro Brothers ANSWER DOWNLOAD EXAMIANS APP
Inventions Who among the following invented the small pox vaccine? Robert Hooke Louis Pasteur Robert Koch Edward Jenner Robert Hooke Louis Pasteur Robert Koch Edward Jenner 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
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