Inventions Who invented Bakelite? Roy Plunkett Charles Goodyear Henry Ford Leo Hendrik Baekeland Roy Plunkett Charles Goodyear Henry Ford Leo Hendrik Baekeland ANSWER DOWNLOAD EXAMIANS APP
Inventions What J. B. Dunlop invented? Rubber boot Model airplanes Automobile wheel rim Pneumatic rubber tire Rubber boot Model airplanes Automobile wheel rim Pneumatic rubber tire ANSWER DOWNLOAD EXAMIANS APP
Inventions What furniture item was invented by California furniture designer Charles Prior Hall in 1968? Waterbed Hammock Sofa bed Captain's chair Waterbed Hammock Sofa bed Captain's chair ANSWER DOWNLOAD EXAMIANS APP
Inventions When was Milk Tray first introduced? 1942 1934 1923 1915 1942 1934 1923 1915 ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the toothbrush invented? 1770 1790 1765 1742 1770 1790 1765 1742 ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Jet Engine? Roger Bacon Sir Frank Whittle Lewis E. Waterman Gottlieb Daimler Roger Bacon Sir Frank Whittle Lewis E. Waterman Gottlieb Daimler ANSWER DOWNLOAD EXAMIANS APP