| US Patent: 151,315 
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| Carriage-Wrenches | 
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| Patentee: |  |
 | Wilbur F. Rowe (exact or similar names) - Minneapolis, MN |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Apr. 18, 1874 |  
| Granted: | May 26, 1874 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Wilbur F. Rowe  Pat. May 26, 1874 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The special feature of this carriage wrench is the knob and socket which can be turned separately from the handle, or by the handle. The shank between the knob and socket has a polygonal cross section for part of its length, and part is round. |  |