This made Edison's light bulb not only durable but also economical, and this was a crucial factor for mass usage. Thomas Edison didn't stop at the ... developed a similar bulb around the same time.

Edison applied for a patent for the device in December ... selecting carbonized bamboo for his first commercial electric light bulb. Adapted for the internet from “Thomas Edison, Chemist” produced by ...

Everyone knew a better light bulb would be a winner ... Ultimately, they failed to commercialize it, but they sold their patent to Thomas Edison. Edison got serious about electric lighting ...

While Thomas Edison's most enduring contribution to modern life will forever remain the incandescent light bulb, he took out a total of 1093 patents that both he and his staff brought to life.