US Patent: 142,570
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| Wrenches
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Patentee:
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| William J. Innes (exact or similar names) - Oil City, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 18, 1872 |
| Granted: |
Sep. 09, 1873 |
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Patent Pictures:
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William J. Innes Pat. Sept. 9, 1873 |
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Stan Schulz
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Description: |
| The patent is for a specialized ferule which in conjunction with a notch in the main bar transfers thrust to the main bar rather than to the wood handle. |
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