| US Patent: 538,525 
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| Ratchet Wrench | 
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| Patentee: |  |
 | Albert W. Kleinfeldt (exact or similar names) - Oshkosh, WI |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Jan. 28, 1895 |  
| Granted: | Apr. 30, 1895 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Albert W. Kleinfeldt patent April 30, 1895 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The ratchet selection mechanism works by lifting one or the other of the spring-loaded pawls out of engagement with the teeth on the head. 
The jaws are adjustable by a screw and slide in tapered slots in the head. |  |