US Patent: 273,899
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| Monkey Wrench
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Patentee:
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| Robert H. Seymour (exact or similar names) - Holyoke, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 26, 1882 |
| Granted: |
Mar. 13, 1883 |
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Patent Pictures:
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Robert H. Seymour patent March 13, 1883 |
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Stan Schulz
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Description: |
| The shank and handle are one piece, with the bolster for the adjusting screw slid over the handle and fastened in place.
The openings in the shank are to reduce weight. |
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