| US Patent: 401,926 
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| Pipe Wrench | 
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| Patentee: |  |
 | Lewis J. Bergendahl (exact or similar names) - Pendleton, OR |  
 
| USPTO Classifications: |  | 81/68 |  
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Dec. 27, 1888 |  
| Granted: | Apr. 23, 1889 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Lewis J. Bergendahl patent April 23, 1889 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | Chain wrench with double "V" shaped gripping jaw faces; one side straight and one side curved. |  |