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  • Who invented Vitamin K ?

    Answer: Doisy Dam of U.S.A. in 1938.

Similar Questions :

1. Who invented Neon Lamp ?

Answer:

Georges Claude who was a French engineer, chemist and inventor

2. Who invented Telescope ?

Answer: Hans Lippershey of Netherlands in 1608.

3. Who invented Bleaching Powder ?

Answer: Tennant of Britain in 1798

4. Who invented Air Conditioning ?

Answer:

Willis Carrier in 1902

5. Who invented Calculus ?

Answer: Newton of Britain in 1670.

6. Who invented Ball-Point Pen ?

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

7. Who invented watch ?

Answer:

Peter Henlein invented the first portable time piece in 1504

Read more from - Important Inventions
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