What Thomas Davenport invented?
Screw propellor
Electric streetcar
Chesterfield
Sleeping (railway) car
Additional Questions
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What Elisha Otis invented? |
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Where was the yo-yo invented? |
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For what does the world owe Almon Strowger a debt of gratitude? |
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Who is often called the first African-American inventor? |
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The first hand glider was designed by...? |
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In which decade was the telegraph invented? |
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What inspired reflecting road lights to be invented? |
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When were blue jeans invented? |
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Who invented Electric Generator? |
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What device for new parents did Ann Moore invent in 1969? |
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