US Patent: 279,722
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| Wrench
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Patentee:
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| George W. Davenport (exact or similar names) - Philadelphia, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 28, 1883 |
| Granted: |
Jun. 19, 1883 |
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Patent Pictures:
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George W. Davenport patent June 19, 1883 |
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Stan Schulz
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Description: |
| The major features of the patent are the adjustment-holding cam in the movable jaw, and the pipe-gripping inset in the face of the movable jaw, together with the means of moving them. |
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