US Patent: 302,760
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| Pipe Wrench
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Patentee:
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| Thomas Mokler (exact or similar names) - Ludington, MI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 03, 1884 |
| Granted: |
Jul. 29, 1884 |
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Patent Pictures:
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Thomas Mokler patent July 29, 1884 |
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Stan Schulz
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Description: |
| The movable jaw adjusts by a cam lever and rack teeth. The gripping surface on the movable jaw is a roller. A pawl provides a ratchet action which only allows the roller to turn in one direction. |
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