| US Patent: 373,603 
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| Chain Wrench | 
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| Patentee: |  |
 | Maurice Quinlan (exact or similar names) - Glendale Station, NY |  
 
| USPTO Classifications: |  | 81/70 |  
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Mar. 24, 1887 |  
| Granted: | Nov. 22, 1887 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Maurice Quinlan patent November 22, 1887 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The fixed head can be shifted in relation to the handle.  There are other small details about the chain and head in the specifications. |  |