US Patent: 438,177
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| Pipe Tongs
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Patentee:
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| John M. Pray (exact or similar names) - Los Angeles, CA |
| USPTO Classifications: |
| 81/68 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 12, 1889 |
| Granted: |
Oct. 14, 1890 |
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Patent Pictures:
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John M. Pray patent October 14, 1890 |
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Stan Schulz
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Description: |
| Chain tongs with replaceable jaws. |
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