US Patent: 56,460
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| Improvement in Screw-Wrenches
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Patentee:
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| Atkins Stover (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: |
Jul. 17, 1866 |
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Patent Pictures:
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Atkins Stover Pat. July 17, 1866 |
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Stan Schulz
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Description: |
| The adjusting worm slides on a rod parallel to the main shank, and engages teeth cut in the main shank. |
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