US Patent: 594,348
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| Pipe Wrench
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Patentee:
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| John J. Haldeman (exact or similar names) - Shamokin, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 25, 1896 |
| Granted: |
Nov. 23, 1897 |
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Patent Pictures:
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John J. Haldeman patent November 23, 1897 |
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Stan Schulz
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Description: |
| Teeth on the shank and two faces of the hook jaw provide three gripping surfaces. A thumb screw and succession of holes on the hook jaw provide a wide range of size capacities. |
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