US Patent: 114,939
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| Improvement in Pipe-Cutters
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Patentee:
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| Dennis Harrigan (exact or similar names) - North Somerville, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
May 16, 1871 |
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Patent Pictures:
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Dennis Harrigan Pat. May 16, 1871 |
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Stan Schulz
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Description: |
| The invention is a clamp-on attachment for a "monkey-wrench." The cutter is described as a "chisel" advanced by a feed-screw. The device can be slid on the fixed head of the wrench to adjust to the size of the pipe. |
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