| US Patent: 419,270 
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| Pliers Improvements in Implements For Imparting Rotary Motion
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| Patentee: |  |
 | Abbot Augustus Low (exact or similar names) - Brooklyn, NY |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Feb. 27, 1889 |  
| Granted: | Jan. 14, 1890 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Abbot Augustus Low patent January 14, 1890 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | A clock or watch key which can be clamped in the closed position by a thumb screw. The thumb screw also acts as the handle for the subsequent spring winding.
Low's parallel patent (no. 419,272) is a specialized modification of this idea. |  |