| US Patent: 393,880 
 | 
| Gage-Chisel for Cutting Hinge-Recesses | 
| 
| Patentee: |  |
 | Aaron Thomas Binkerd (exact or similar names) - Allegheny, PA |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Mar. 16, 1888 |  
| Granted: | Dec. 04, 1888 |  USPTO (New site tip)
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                        Ralph Brendler
 
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| Description: |  | This is an unusual combination of chisel and butt gage that allows the
    carpenter to mark and cut the edges of the hinge mortise in one
    operation. |  |