US Patent: 834,799
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| Wrench
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Patentee:
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| Joseph Hartigan (exact or similar names) - Mount Pleasant, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 26, 1906 |
| Granted: |
Oct. 30, 1906 |
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Patent Pictures:
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1 | 2
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Patent 834,799 -- edited drawing |
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Stan Schulz
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Description: |
| Swinging hook jaw pipe wrench with the hook shaped so that different areas of the "interior" of the hook will grip in opposite directions. |
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