US Patent: 1,478,736
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| Socket Wrench
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Patentee:
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| John O. Gadberry (exact or similar names) - Joplin, MO |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 10, 1922 |
| Granted: |
Dec. 25, 1923 |
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Patent Pictures:
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John O. Gadberry patent December 25, 1923 |
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Stan Schulz
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Description: |
| The patent describes interchangeable sockets, the spring clip on the handle which serves as the socket retainer, and the square holes in the sockets matching the square end on the handle. The handle is a brace or "speeder" wrench. |
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