Inventions Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that? Water skis Golf tee Motorboat Hang glider Water skis Golf tee Motorboat Hang glider ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Fountain Pen? Sir Frank Whittle Lewis E. Waterman John J. Loud Kirkpatrick Macmillan Sir Frank Whittle Lewis E. Waterman John J. Loud Kirkpatrick Macmillan ANSWER DOWNLOAD EXAMIANS APP
Inventions Who was the first American female to patent her invention, a method of weaving straw with silk? Mary Kies Margaret Knight Amanda Jones Marjorie Joyner Mary Kies Margaret Knight Amanda Jones Marjorie Joyner ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Automobiles using gasoline? Kirkpatrick Macmillan Evangelista Torricelli Leo H Baekeland Karl Benz Kirkpatrick Macmillan Evangelista Torricelli Leo H Baekeland Karl Benz ANSWER DOWNLOAD EXAMIANS APP
Inventions Who among the following invented the small pox vaccine? Robert Koch Louis Pasteur Edward Jenner Robert Hooke Robert Koch Louis Pasteur Edward Jenner Robert Hooke ANSWER DOWNLOAD EXAMIANS APP
Inventions What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin? Dishwasher Television Telegraph Radio Dishwasher Television Telegraph Radio ANSWER DOWNLOAD EXAMIANS APP
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