Coolidge Patents Tungsten Filament
At a glance:
- Series: Great Events: 1900-2001
- Categories: Science, Technology, Inventions
- Subcategories: Inventors, Engineering, Engineers, Energy, Fuel, Power Sources
- Curriculum: American History 1901-1950
- Geographical Location: New York
- Date: 1906-1911
Article abstract: William David Coolidge discovered how to create tungsten wire for use in incandescent lightbulbs.
The Incandescent Lightbulb
The electric lamp developed along with an understanding of electricity in the latter half of the nineteenth century. In 1841, the first patent for an incandescent lamp was granted in Great Britain. A patent is a legal claim that protects the patent holder for a period of time from others who might try to copy the invention and make a profit from it. Although others tried to improve upon the incandescent lamp, it...
[The entire page is 1059 words long]
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