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Inventions

Inventions
Who invented the BALLPOINT PEN?

Waterman Brothers
Biro Brothers
Write Brothers
Bicc Brothers

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Inventions
Who invented Bifocal Lens?

Thomas Alva Edison
Alfred B. Nobel
Benjamin Franklin
Rudolf Diesel

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Inventions
What Frank Whittle invented?

Ethyl gasoline
Jet propulsion
Radar
Sonar

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

Infant carrier
Baby monitor
Disposable diaper
Bottle warmer

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Inventions
Who invented Fountain Pen?

Kirkpatrick Macmillan
Lewis E. Waterman
John J. Loud
Sir Frank Whittle

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Inventions
In which decade was the AEEE (now the IEEE) founded?

1880s
1930s
1950s
1850s

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