US Patent: 82,827
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Wrench
Improvement in Keys for Hydrant-Cock
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Patentee:
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| Patrick H. Griffin (exact or similar names) - Albany, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Oct. 06, 1868 |
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Patent Pictures:
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Patrick H. Griffin Pat. Oct. 6, 1868 |
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Stan Schulz
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Description: |
| The device consists of a cast metal rectangular socket to fit the handle of a stop valve, combined with an entended shaft and a handle or wrench for the other end. The patented feature is to make the rectangular socket of cast metal. |
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