US Patent: 441,017
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| Pipe Tongs
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Patentee:
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| William O. Nightengale (exact or similar names) - Johnstown, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 12, 1890 |
| Granted: |
Nov. 18, 1890 |
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Patent Pictures:
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William O. Nightengale patent November 18, 1890 |
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Stan Schulz
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Description: |
| The gripping faces of the jaws are replaceable. The cams on the handle move the jaws. The set screw is a motion limit to prevent crushing pipe. |
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