Easy Tutorial
For Competitive Exams

Which insurance salesman invented the fountain pen in 1884?

Lewis Edson Waterman
Sir William Grove
Charles Kettering
George Fountain
Additional Questions

When was the first elevator built?

Answer

What charge card, developed in 1950, was the first to be accepted nationally in the US?

Answer

What Enrico Fermi invented?

Answer

Which of the following was first patented by an Australian in 1889?

Answer

Who among the following invented the small pox vaccine?

Answer

What George Westinghouse invented?

Answer

Who is the only U.S. President to invent and patent something?

Answer

What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin?

Answer

Benjamin Franklin was a prolific inventor. He invented the lightning rod, the Franklin stove, studied electricity, discovered the Gulf Stream, started the first library, and on and on. Among his many other inventions, what musical instrument did he invent?

Answer

What Thomas Davenport invented?

Answer
Share with Friends
Privacy Copyright Contact Us