English, asked by rvgopal1389, 4 months ago

which _(help) him to invent the light bulb​

Answers

Answered by MissPhenomenal
5

which thing helped him to invent the light bulb

Answered by zafirahsadat58
0

Answer:

Which helped him to invent the light bulb

Explanation:

Edison and his team of researchers in Edison's laboratory in Menlo Park, N.J., tested more than 3,000 designs for bulbs between 1878 and 1880. In November 1879, Edison filed a patent for an electric lamp with a carbon filament.Aug 17, 2017

Inventor: Joseph Swan; Thomas Edison

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