Question

continusion of before the light bulb was invented​

Answer 1

Answer:

In 1874, Henry Woodward and Mathew Evans filed a patent for an incandescent light bulb with a carbon filament in Canada and the United States. The light bulbs, although they worked properly, sold poorly. They sold their patent to Thomas Edison in 1879.

Inventor: Joseph Swan; Thomas Edison

Answer 2

Answer:

In 1874, Henry Woodward and Mathew Evans filed a patent for an incandescent light bulb with a carbon filament in Canada and the United States. The light bulbs, although they worked properly, sold poorly. They sold their patent to Thomas Edison in 1879.

Explanation:

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