US Patent: 548,571
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| Pipe Wrench
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Patentee:
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| George Harrison Miller (exact or similar names) - North Hope, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 25, 1895 |
| Granted: |
Oct. 22, 1895 |
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Patent Pictures:
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George Harrison Miller patent October 22, 1895 |
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Stan Schulz
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Description: |
| The specifications clarify this is a wrench for turning drill stem pipe in cable-tool well drilling rigs.
Ken Cope's "American Wrench Makers 1830-1930" surmises Miller produced this tool. |
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