US Patent: 441,854
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| Wrench
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Patentee:
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| Fred E. Putnam (exact or similar names) - Clinton, ME |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 03, 1890 |
| Granted: |
Dec. 02, 1890 |
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Patent Pictures:
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Fred E. Putnam patented Dec. 2, 1890 |
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Stan Schulz
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Description: |
| Brace wrench which can function as a bit brace, or as a screw-driver.
The adjustable jaws operate by a threaded rod "plunger" moved in and out by a milled nut. |
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