In which decade was the telephone invented?

In which decade was the telephone invented?

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1) This part-time race car driver invented the bucket seat in 1969. Who was he?

2) What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes?

3) When was Monopoly created?

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

5) Who is often called the 'first African-American' inventor?