Which insurance salesman invented the fountain pen in 1884?

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Which insurance salesman invented the fountain pen in 1884?



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1) 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?

2) In which decade was the first solid state integrated circuit demonstrated?

3) What groovy item was invented by Englishman Edward Craven Walker in 1963?

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

5) Which scientist discovered the radioactive element radium?

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