US Patent: 123,421
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Bungs
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Patentee:
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Daniel B. Rickey (exact or similar names) - San Francisco, CA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Granted: |
Feb. 06, 1872 |
Patent Pictures:
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Daniel B. Rickey Pat. Feb. 6, 1872 |
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Stan Schulz
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Description: |
The invention is a threaded metallic bung plug with a built-in washer, a four-sided socket, and a corresponding wrench. |
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