US Patent: 317,187 
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| Bit-brace
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	        Patentee:
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 | Johannes Theodor Pedersen (exact or similar names) - Brooklyn, NY |  
 
 
 
 
 
 
 
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        Patent Dates:
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| Applied: | 
Mar. 05, 1885 | 
 
| Granted: | 
May 05, 1885 | 
 
 
 
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                        Kirk Eppler 
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| 
        Description: |  
| The December 1890 issue of Carpentry & Builder had an ad for the Pedersen's patent bit brace from American Bit-Brace Co. |  
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