| US Patent: 450,381 
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| Bung Wrench Improvements in Apparatus For Withdrawing Bungs or Shives
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| Patentee: |  |
 | John Smith (exact or similar names) - Burton-On-Trent,  England |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Aug. 06, 1889 |  
| Granted: | Apr. 14, 1891 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | John Smith patent April 14, 1891 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The tool had been patented in Britain on July 22, 1889 (No. 11,672) and in Germany on July 31, 1889 (no. 52,499).
The working portion includes an extractor which is driven into the bung, and a cam-lever which is struck by a mallet to lift the bung. |  |