US Patent: 222,484
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Pipe-Wrench
Improvement in Pipe-Wrenches
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Patentee:
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| Dan P. Foster (exact or similar names) - Waltham, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 16, 1879 |
| Granted: |
Dec. 09, 1879 |
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Patent Pictures:
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Dan P. Foster patent Dec. 9, 1879 |
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Stan Schulz
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Description: |
| The patent is for a cam-lever action, knurl adjust pipe wrench. This patent along with Frank Armstrong's March 27, 1883 patent (No. 274,544) is the basis for a pipe wrench produced by the Armstrong Company of Bridgeport, CT. |
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