US Patent: 257,072
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| Carriage Wrench
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Patentee:
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| Edwin Augustus Robbins (exact or similar names) - Boston, MA |
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Patent Dates:
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| Applied: |
Mar. 22, 1882 |
| Granted: |
Apr. 25, 1882 |
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Patent Pictures:
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Edwin A.. Robbins Pat. April 25, 1882 |
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Stan Schulz
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Description: |
| The third version of Robbins' "T" handle carriage axle nut wrench.
The previous patents are nos. 214,455 and 227,304. The markings on the wrenches reflect the early patents.
An article in the March 2026 Missouri Valley Wrench Club Newsletter reviews the Robbins patents and shows examples of corresponding wrenches. |
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