US Patent: 430,038
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| Means for Facilitating the Starting and Regulating the Working of Hydrocarbon Engines
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Patentees:
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| William Dent Priestman (exact or similar names) - Hull, York County, England |
| Samuel Priestman (exact or similar names) - Hull, York County, England |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 27, 1889 |
| Granted: |
Jun. 10, 1890 |
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Joel Havens
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Description: |
| Patented in England, 06 Jan 1888, #270. |
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