This made Edison's light bulb not only durable but also economical, and this was a crucial factor for mass usage. Thomas ...

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 ...

It was sold by the Thomas A. Edison Jr. Chemical Company, an outfit ostensibly owned by the son of famed inventor Thomas ...