| US Patent: 169,262 
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| Improvement in ratchet-drills | 
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| Patentee: |  |
 | George Hayden (exact or similar names) - Newark, NJ |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Apr. 05, 1875 |  
| Granted: | Oct. 26, 1875 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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			1 | 2
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                        Kirk Eppler
 
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| Description: |  | An ad in the March 1880 "The Railway Purchasing Agent" shows this drill, which is labeled, "S. P. Lathrop / Pat. Oct. 26, 1875". |  |