US Patent: 44,703
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Improved Pipe-Wrench
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Patentee:
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James R. Brown (exact or similar names) - Boston, MA |
USPTO Classifications: |
81/99 |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Granted: |
Oct. 18, 1864 |
Patent Pictures:
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James R. Brown Pat. Oct. 18, 1864 |
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Stan Schulz
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Description: |
The description of this hook-jaw self-adjusting pipe wrench differentiates this design from H.M. Clark's Sept. 8, 1857 hook-jaw pipe wrench patent (no. 18135). This patent has a split jaw on the shank portion. |
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