| US Patent: 520,529 
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| Wrench | 
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| Patentee: |  |
 | Karl August Klose (exact or similar names) - Richfield, MN |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Feb. 26, 1894 |  
| Granted: | May 29, 1894 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Karl August Klose patent May 29, 1894 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The swinging hook jaw pivots on the teeth that also are the means for holding the adjustment. A spring holds the teeth and rack in engagement.
Klose's later patents (542,265 and 560,220) led to production by the Klose Wrench Co. of Minneapolis, MN. |  |