US Patent: 316,774
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| Traction Engine
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Patentees:
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| Alfred Greig (exact or similar names) - Leeds, York County, England |
| Richard Holgate Shaw (exact or similar names) - Leeds, York County, England |
| John Whittingham (exact or similar names) - Nantwich, Chester County, England |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 20, 1885 |
| Granted: |
Apr. 28, 1885 |
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Joel Havens
"Vintage Machinery" entry for Steam Plow Works
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Description: |
| Patented in England, 30 Jul 1884, #10,780. |
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