US Patent: 1,289,558
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| Wrench
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Patentee:
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| Reginald F. Sedgley (exact or similar names) - Philadelphia, PA |
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Patent Dates:
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| Applied: |
Feb. 05, 1916 |
| Granted: |
Dec. 31, 1918 |
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Patent Pictures:
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1 | 2
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Reginald F. Sedgley patent Dec. 31, 1918 |
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Stan Schulz
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Description: |
| The patent is for the hexagonal "key", the spring-loaded balls at each end to engage sockets, and the coordinated sockets.
Used in conjunction with Sedgley's patent no. 1,224,223 in the HEXALL socket sets. |
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