| US Patent: 349,556 
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| Bung Bush Wrench | 
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| Patentee: |  |
 | Anton G. Anderson (exact or similar names) - Chicago, IL |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Dec. 17, 1885 |  
| Granted: | Sep. 21, 1886 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Anton G. Anderson patent September 21, 1886 |  Google Patents
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| Description: |  | The center eccentric wedges gripping clamps against the inside surface of the bung bush, and pulls the bush tight against the base of the wrench. |  |