| US Patent: 408,921 
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| Thill Coupling Jack | 
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| Patentee: |  |
 | John H. Miller (exact or similar names) - Lewistown, PA |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Jun. 09, 1889 |  
| Granted: | Aug. 13, 1889 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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	        ] |  |  |  | John H. Miller patent August 13, 1889 |  Google Patents
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| Description: |  | The patent is for a device to facilitate the application or removal of thills from a carriage or wagon. The specifications note the handle / lever portion may be shaped as a carriage wrench as an added convenience.  The handle portion was produced as a traditional carriage wrench with a "t" shaped boss. |  |