US Patent: 135,843
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| Improvement in tools for facing bung-holes
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Patentees:
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| George W. Gillette (exact or similar names) - Chicago, IL |
| Treat T. Prosser (exact or similar names) - Chicago, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Feb. 11, 1873 |
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Jeff Joslin
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Description: |
| This tool cuts a seat around a bung-hole in preparation for inserting a metallic bushing.See the biography of the inventor in the description for patent 15,438. |
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