| US Patent: 100,458 
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| Improvement in bit-brace Curved or segmental sliding jaws
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| Patentee: |  |
 | H. S. Shepardson (exact or similar names) - Shelburne Falls, MA |  
 
 
 
 
 
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| Patent Dates: |  
| Granted: | Mar. 01, 1870 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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			1 | 2
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                        Kirk Eppler
 
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| Description: |  | The inventor was probably Henry S. Shepardson, an identified in patent 141,671; H. S. Shepardson was also awarded patents 41,894, 44,225, 49,836, and 124,089. His patents not (yet) in datamp include 50,779, 50,882, 60,945, 122,919, 166,034, and 171,873. There are likely more waiting to be found. |  |