| US Patent: 470,777 
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| Pocket Knife Multiblade Screwdriver
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| Patentee: |  |
 | Charles E. Billings (exact or similar names) - Hartford, CT |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Dec. 18, 1891 |  
| Granted: | Mar. 15, 1892 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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                        Steve Gosselin
 "Vintage Machinery" entry for Billings & Spencer Co.
 
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| Description: |  | Original patent is for a hollow handled, sliding blade pocket knife. This patent was applied to a screwdriver manufactured by Billings & Spencer Co. Hartford, CT marked with Billings' patents of March 15, 1892 and Feb. 4, 1896 554,046. Billings also had a later knife patent in 1908. |  |