Inventions What charge card, developed in 1950, was the first to be accepted nationally in the US? Discover MasterCharge Visa Diner's Club Discover MasterCharge Visa Diner's Club ANSWER DOWNLOAD EXAMIANS APP
Inventions When were bar code scanners invented? 1950s 1960s 1940s 1970s 1950s 1960s 1940s 1970s ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the BALLPOINT PEN? Bicc Brothers Waterman Brothers Biro Brothers Write Brothers Bicc Brothers Waterman Brothers Biro Brothers Write Brothers ANSWER DOWNLOAD EXAMIANS APP
Inventions The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project? Robert Oppenheimer Leslie R. Groves James B. Conant Vannevar Bush Robert Oppenheimer Leslie R. Groves James B. Conant Vannevar Bush ANSWER DOWNLOAD EXAMIANS APP
Inventions Which insurance salesman invented the fountain pen in 1884? Lewis Edson Waterman Sir William Grove George Fountain Charles Kettering Lewis Edson Waterman Sir William Grove George Fountain Charles Kettering ANSWER DOWNLOAD EXAMIANS APP
Inventions What furniture item was invented by California furniture designer Charles Prior Hall in 1968? Captain's chair Waterbed Sofa bed Hammock Captain's chair Waterbed Sofa bed Hammock ANSWER DOWNLOAD EXAMIANS APP
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