Q. What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin?

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Q. Benjamin Franklin was a prolific inventor. He invented the lightning rod, the Franklin stove, studied electricity, discovered the Gulf Stream, started the first library, and on and on. Among his many other inventions, what musical instrument did he invent?

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Q. What Thomas Davenport invented?

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Q. What Elisha Otis invented?

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Q. Where was the yo-yo invented?

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Q. For what does the world owe Almon Strowger a debt of gratitude?

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Q. Who is often called the 'first African-American' inventor?

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Q. The first hand glider was designed by...?

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Q. In which decade was the telegraph invented?

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Q. What inspired reflecting road lights to be invented?

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Q. When were blue jeans invented?

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Q. Who invented Electric Generator?

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Q. What device for new parents did Ann Moore invent in 1969?

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Q. In which decade was the transistor invented?

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Q. What Igor Sikorsky invented?

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Q. What Henry Bessemer invented?

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Q. What invention was first installed at a Hartford, Connecticut bank in 1889?

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Q. Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that?

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Q. Who invented Bifocal Lens?

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Q. What Karl Benz invented?

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