US Patent: 403,956
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| Bung
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Patentees:
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| Friedrich Pettge (exact or similar names) - Dessau, Anhalt Germany |
| Ludwig Metzger (exact or similar names) - Dessau, Anhalt Germany |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 27, 1889 |
| Granted: |
May 28, 1889 |
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Patent Pictures:
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Friedrich Pettge and Ludwig Metzger patent May 28, 1889 |
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Stan Schulz
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Description: |
| An air venting bung inset in the side of a barrel or cask; it would be operated by a specialty socket wrench which is shown in the drawings and noted in the specifications. |
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