US Patent: 1,381,900
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| Socket Wrench
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Patentee:
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| William Barnes (exact or similar names) - Worcester, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 23, 1918 |
| Granted: |
Jun. 21, 1921 |
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Patent Pictures:
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William Barnes patent June 21, 1921 |
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Stan Schulz
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Description: |
| The main new feature in this patent is the "Swivel Handle" used with a tubular extension bar, tubular socket, and ratchet. The ratchet in the drawing is Frederick E. Walden's July 20, 1909 pat. no. 928,719. |
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