| US Patent: 102,105 
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| Improvement in combination tool | 
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| Patentee: |  |
 | Calvin A. Foster (exact or similar names) - Fitchburg, MA |  
 
 
 
 
 
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| Patent Dates: |  
| Granted: | Apr. 19, 1870 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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			1 | 2
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                        Russ Allen
 1885 Worcester City Directory Lowell Wrench Co. ad
 
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| Description: |  | One of these appeared in a Martin J. Donnelly auction. A Lowell Wrench Co. ad from the 1885 Worcester City Directory lists a "Foster's Combination Belt Tool" which may be this tool. |  |