Inventions In which decade was the transistor invented? 1980s 1960s 1950s 1940s 1980s 1960s 1950s 1940s ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the toothbrush invented? 1770 1790 1765 1742 1770 1790 1765 1742 ANSWER DOWNLOAD EXAMIANS APP
Inventions Which insurance salesman invented the fountain pen in 1884? Lewis Edson Waterman Sir William Grove Charles Kettering George Fountain Lewis Edson Waterman Sir William Grove Charles Kettering George Fountain ANSWER DOWNLOAD EXAMIANS APP
Inventions William Frederick is credited with the invention of the modern frisbee in the mid 1950's. In 1957 the Wham-O Company bought his idea and the rest is history. They named the toy after William Frisbie who was a ________? Owner of a pizza parlor Ceramic plate designer Student at Yale Pie maker Owner of a pizza parlor Ceramic plate designer Student at Yale Pie maker ANSWER DOWNLOAD EXAMIANS APP
Inventions What toy was invented by Joshua Lionel Cowen around 1900? Tinkertoys Yo-yo Raggedy Ann doll Electric train Tinkertoys Yo-yo Raggedy Ann doll Electric train ANSWER DOWNLOAD EXAMIANS APP
Inventions When was Milk Tray first introduced? 1915 1934 1923 1942 1915 1934 1923 1942 ANSWER DOWNLOAD EXAMIANS APP
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