US Patent: 406,662
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| Chain Wrench
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Patentee:
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| John D. Moran (exact or similar names) - New York, NY |
| USPTO Classifications: |
| 81/69 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 12, 1888 |
| Granted: |
Jul. 09, 1889 |
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Patent Pictures:
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John D. Moran patent July 9, 1889 |
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Stan Schulz
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Description: |
| The double-facing gripping faces on this chain wrench are to allow it to work either to tighten or loosen without unhooking the chain and repositioning the entire wrench. |
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