Pranav Jagtap
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2 Answer(s)
Avdhut Ghanwat
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Posted 4 year ago Avdhut Ghanwat

Thomas Edison

Rahila Ahmed
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Posted 4 year ago Rahila Ahmed

Thomas Edison

Thomas Edison and the “first” light bulb,In 1878, Thomas Edison began serious research into developing a practical incandescent lamp and on October 14, 1878, Edison filed his first patent application for "Improvement In Electric Lights"