US Patent: 439,743
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| Monkey Wrench
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Patentee:
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| William W. Charlton (exact or similar names) - Wooster, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 17, 1890 |
| Granted: |
Nov. 04, 1890 |
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Patent Pictures:
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William W. Charlton patent November 4, 1890 |
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Stan Schulz
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Description: |
| The adjustable jaws slide on a "Y" shaped frame to open and close. The adjustment is accomplished by a screw-adjuster and connecting links. |
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