US Patent: 227,304
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| Carriage-Wrench
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Patentee:
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| Edwain Augustus Robbins (exact or similar names) - Boston, MA |
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Patent Dates:
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| Applied: |
Mar. 13, 1880 |
| Granted: |
May 04, 1880 |
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Patent Pictures:
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Edwin A. Robbins Pat. May 4, 1880 |
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Stan Schulz
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Description: |
| The second of Robbins' patents for a "T" handle adjustable socket axle nut wrench. The others are 214,455 and 257,072.
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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