US Patent: 530,518
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| Combined Monkey and Pipe Wrench
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Patentee:
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| Samuel M. Friede (exact or similar names) - St. Louis, MO |
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Patent Dates:
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| Applied: |
Jan. 29, 1894 |
| Granted: |
Dec. 11, 1894 |
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Patent Pictures:
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Samuel M. Friede patent December 11, 1894 |
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Stan Schulz
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Description: |
| A central movable jaw with its adjusting nut has a smooth upright surface facing a smooth upright jaw on one side, and a tapered surface facing a toothed upright jaw face on the other side.
Features of the wrench appear in earlier Friede adjustable angle wrench patents (nos. 525,318, 525,683, and 525,684). |
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