US Patent: 503,124
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| Pipe Or Nut Wrench
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Patentee:
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| William Henry Conver (exact or similar names) - Emlenton, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 08, 1892 |
| Granted: |
Aug. 15, 1893 |
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Patent Pictures:
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William Henry Conver patent August 15, 1893 |
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Stan Schulz
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Description: |
| The wrench features a complicated arrangement of lever, rack and pawl for gross size adjustment and final adjustment. The arrangement allows for a kind of ratchet action. |
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