Inventions Who invented the BALLPOINT PEN? Write Brothers Biro Brothers Bicc Brothers Waterman Brothers Write Brothers Biro Brothers Bicc Brothers Waterman Brothers ANSWER DOWNLOAD EXAMIANS APP
Inventions Where was the yo-yo invented? France Philippines England United States France Philippines England United States ANSWER DOWNLOAD EXAMIANS APP
Inventions What Thomas Davenport invented? Chesterfield Screw propellor Sleeping (railway) car Electric streetcar Chesterfield Screw propellor Sleeping (railway) car Electric streetcar ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1880s 1890s 1900s 1800s 1880s 1890s 1900s 1800s ANSWER DOWNLOAD EXAMIANS APP
Inventions What African-American inventor received 5 patents in the field of shoemaking? Lewis Latimer Ernest Just Elijah McCoy Jan Ernst Matzeliger Lewis Latimer Ernest Just Elijah McCoy Jan Ernst Matzeliger ANSWER DOWNLOAD EXAMIANS APP
Inventions CORN FLAKES - Who made them first? Archers Kellogg Nabisco Quaker Archers Kellogg Nabisco Quaker ANSWER DOWNLOAD EXAMIANS APP