CA Patent: CA-12,141
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| Railway Nut Wrench
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Patentee:
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| Alexander John McDonell (exact or similar names) - Ottawa, ON Canada |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 01, 1880 |
| Granted: |
Dec. 18, 1880 |
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Patent Pictures:
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1 | 2
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Alexander John McDonell patent December 18, 1880 |
CIPO Data
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Search Canadian Patents 1869-1894
12,141 in Canadian Patents Database
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Description: |
| A crank and chain driven socket, in a frame that clamps to the rail. |
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