Inventions Which insurance salesman invented the fountain pen in 1884? Sir William Grove Charles Kettering Lewis Edson Waterman George Fountain Sir William Grove Charles Kettering Lewis Edson Waterman George Fountain ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the Raggedy Ann doll patented? 1911 1915 1920 1919 1911 1915 1920 1919 ANSWER DOWNLOAD EXAMIANS APP
Inventions What furniture item was invented by California furniture designer Charles Prior Hall in 1968? Hammock Waterbed Captain's chair Sofa bed Hammock Waterbed Captain's chair Sofa bed ANSWER DOWNLOAD EXAMIANS APP
Inventions What device for new parents did Ann Moore invent in 1969? Infant carrier Bottle warmer Disposable diaper Baby monitor Infant carrier Bottle warmer Disposable diaper Baby monitor ANSWER DOWNLOAD EXAMIANS APP
Inventions What now-ubiquitous device was invented by Zenith engineer Eugene Polley in 1955? Remote control Microwave oven Calculator VCR Remote control Microwave oven Calculator VCR ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1900s 1800s 1880s 1890s 1900s 1800s 1880s 1890s ANSWER DOWNLOAD EXAMIANS APP
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