US Patent: 519X
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| Steam Engine
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Patentee:
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| Oliver Evans (exact or similar names) - Philadelphia, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Feb. 14, 1804 |
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Joel Havens
X-Patents
Oliver Evans
"Vintage Machinery" entry for Mars Works
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Description: |
| Most of the patents prior to 1836 were lost in the Dec. 1836 fire. Only about 2,000 of the almost 10,000 documents were recovered. Little is known about this patent. There are no patent drawings available. This patent is in the database for reference only.
This patent was renewed by an Act of Congress on 07 Feb 1815. |
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