US Patent: 165,655
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Wrench
Improvement in the Construction of Screw-Wrenches
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Patentee:
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| Rush S. Battles (exact or similar names) - Girard, PA |
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Patent Dates:
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| Applied: |
Mar. 06, 1875 |
| Granted: |
Jul. 20, 1875 |
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Patent Pictures:
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Rush S. Battles Pat. July 20, 1875 |
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Stan Schulz
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Description: |
| The patent is for a set screw which engages threads on the wrench shank and interior of the ferule to secure a monkey wrench ferule to the main bar.
Ken Cope's "American Wrench Makers 1830-1930" notes this patent and Matthew Campfield's August 10, 1875 patent (no. 166,587) were the basis for the Girard Wrench Mfg. Co. wood handle monkey wrenches. |
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