download Mastguru Android App

Article Detail

  • Who invented Ball-Point Pen ?

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

Similar Questions :

1. Who invented Refrigerator ?

Answer:

Oliver Evans in 1805

2. Who invented Laptop ?

Answer:

Adam Osborne in 1981.

3. Who invented Chloroform as anaesthetic ?

Answer: James Simpson of Britain in 1847.

4. Who invented Nylon ?

Answer:

Wallace Carothers

5. Who invented Bicyle ?

Answer: Kirkpatrick Macmillan of Britain.

6. Who invented Bacteria ?

Answer: Leeuwenhock of Netherlands in 1683

7. Who invented Stethoscope ?

Answer: Laennec of French in 1819.

Read more from - Important Inventions
Post a comment