| US Patent: 141,259 
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| Wrenches Improvement in Wrench for Fish-Plate Bolts
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| Patentee: |  |
 | Michael Bubser (exact or similar names) - Jersey City, NJ |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Apr. 19, 1873 |  
| Granted: | Jul. 29, 1873 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Michael Bubser Pat. July 29, 1873 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The tool is a crank and chain driven socket wrench for railroalroad fish plate bolts. |  |