US Patent: 514,170
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| Incandescent electric light
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Patentee:
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| Nikola Tesla (exact or similar names) - New York, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 02, 1892 |
| Granted: |
Feb. 06, 1894 |
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Jeff Joslin
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Description: |
| Improvement to patent 454,622. The invention is more like a vacuum tube than an incandescent light. Higher-energy versions generated X-rays, which Tesla partially recognized. A couple of years later Roentgen independently discovered X-rays and more fully recognized their significance. |
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