| US Patent: 88,623 
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| Wrench Improvement in Wrench
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| Patentee: |  |
 | George P. Ganster (exact or similar names) - New York, NY |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Granted: | Apr. 06, 1869 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | George P. Ganster Pat. April 6, 1869 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The handle has flanges which ride in slots in the lower "fixed" jaw; the shank of the adjustable jaw has left-hand threads turned by threads inside the hollow handle.  Two alternate modes of limiting jaw travel are described. |  |