US Patent: 226,339
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| Monkey-Wrench
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Patentee:
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| John Moffet (exact or similar names) - New York, NY |
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Patent Dates:
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| Applied: |
Feb. 26, 1880 |
| Granted: |
Apr. 06, 1880 |
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Patent Pictures:
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John Moffet patent April 6, 1880 |
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Stan Schulz
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Description: |
| The adjusting screw turns freely in the center of the shank. The inside of the movable jaw has partial threads. The surface of the adjusting screw is lightly knurled to provide a gripping surface. Thus the wrench is composed of three pieces.
Known example marked J. MOFFET with the patent date is a pocket wrench with a slide-out screwdriver in the handle. |
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