Question

When and where bulb invented

Answer 1

The first practical incandescent light bulb. 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.
hope that this helps you! =)

Answer 2

Sir Joseph Swan invented the first incandescent light bulb. and it was in England