Question:
Who invented the Smoke Detector?
Answer:
Duane Pearsall and Stanley Benne
Question:
Which country invented the Teddy bear?
Answer:
America
Question:
Who invented the Nylon?
Answer:
Wallace Carothers
Question:
Which is the invention year of Washing Machine?
Answer:
1851
Question:
Which is the invention year of Lawn Mower?
Answer:
1830
