GB Patent: GB-186,903,211
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| Improvement in boring-tool
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Patentee:
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| Alexander Allan (exact or similar names) - New York, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Nov. 05, 1869 |
Espacenet patent
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Jeff Joslin
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Description: |
| This is the British equivalent of US patent 95,627. We have not been able to find anything about this patent other than its mention in the 1870 Scientific American article referenced in our entry for the US patent. |
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