| US Patent: 465,626 
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| Convertible Drill and Wrench | 
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| Patentee: |  |
 | John Waterman (exact or similar names) - Villisca, IA |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Mar. 31, 1891 |  
| Granted: | Dec. 22, 1891 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | John Waterman patent December 22, 1891 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | Adjustable crank-driven mechanism which can hold drill bits or wrench sockets. The tool is intended for railroad use, for drilling rails and installing the fish plate bolts. The mechanism includes a cam and pawl-driven advancing screw for the drill bit, and provisions for hooking the tool to the rail for drilling. |  |