US Patent: 1,416,271
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| Wrench
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Patentee:
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| Constant L. Devos (exact or similar names) - New York, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 07, 1922 |
| Granted: |
May 16, 1922 |
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Patent Pictures:
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Constant L. Devos patent May 16, 1922 |
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Stan Schulz
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Description: |
| Socket wrench with interchangeable sockets held in place by a left-hand threaded collar, and which can be rotated by a bevel-geared shaft extending through the length of the handle. |
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