| US Patent: 791,767 
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| Push-drill | 
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| Patentee: |  |
 | Zachry T. Furbish (exact or similar names) - Philadelphia, PA |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Sep. 22, 1903 |  
| Granted: | Jun. 06, 1905 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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                        Steve Gosselin
 "Vintage Machinery" entry for North Brothers Manufacturing Co
 
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| Description: |  | This patent and adds a spring tension adjustment, depending on the size of the bit used. Sold as the Yankee #44. See Patent814529 for improvements to this Patent. |  |