Question

who was invent the bulb​

Answer 1

$\sf{Answer}$

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".

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Answer 2

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✒️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".

Hope it help you :)