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  • Who invented Ball-Point Pen ?

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

Similar Questions :

1. Who invented Laser ?

Answer:

Charles H. Townes

2. Who invented Helicopter ?

Answer:

Igor Sikorsky

3. Who invented Aspirin ?

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Felix Hoffmann invented Aspirin

4. Who invented Optical Fibre ?

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Indian-born American physicist Narinder Kapany

5. Who invented Refrigerator ?

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Oliver Evans in 1805

6. Who invented Super Computer ?

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Seymour Cray

7. Who invented Logarithms ?

Answer:

John Napier (Scotland) invented Logarithm

 

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