US Patent: 260,771
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| Monkey Wrench
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Patentee:
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| Charles H. Miller (exact or similar names) - Erie, PA |
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Patent Dates:
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| Applied: |
Dec. 21, 1881 |
| Granted: |
Jul. 11, 1882 |
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Patent Pictures:
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Charles H. Miller patent July 11, 1882 |
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Stan Schulz
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Description: |
| The parts are to be made of malleable iron castings. The slide for the head is cast "spread" and is closed around the head after the head and adjusting worm are installed.
Most known examples do not have legible markings; some may have the patent date visible.
Comparable Canadian patent no. CA-16,300 shows the Girard Wrench Company as assignee. |
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