XC Patent: XC-2,558
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| Rotary steam engine, called "The Improved Rotary Steam Engine"
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Patentee:
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| Thomas Dunham Finnigan (exact or similar names) - Quebec City, QC Canada |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Apr. 06, 1868 |
Report data errors or omissions to steward
Jeff Joslin
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Description: |
| XC patents are Canadian patents issued between 1824 and 1869. |
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