US Patent: 17,737
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Nut Wrench Improvements in Slide-Wrenches
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Patentee:
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| John H. Hathaway (exact or similar names) - Millbury, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Jul. 07, 1857 |
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Patent Pictures:
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John H. Hathaway Pat. July 7, 1857 |
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Stan Schulz
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Description: |
| A series of small "slips" form a rack. A small sliding piece engages the rack to hold the adjustment. |
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