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  • Who invented Helicopter ?

    Answer:

    Igor Sikorsky

Similar Questions :

1. Who invented Laptop ?

Answer:

Adam Osborne in 1981.

2. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.

3. Who invented Ball-Point Pen ?

Answer: John J. Loud of U.S.A. in 1888

4. Who invented Telescope ?

Answer: Hans Lippershey of Netherlands in 1608.

5. Who invented google ?

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Larry Page

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John Logie Baird

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Answer: Laennec of French in 1819.

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