| US Patent: 763,227 
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| Wrench or the Like | 
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| Patentee: |  |
 | Frederick E. Walden (exact or similar names) - Worcester, Worcester County, MA |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Oct. 15, 1903 |  
| Granted: | Jun. 21, 1904 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Frederick E. Walden patent June 21, 1904 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | Two swinging links provide compound pressure on the jaws.  The specifications describe this as a pipe wrench; it would clamp firmly onto a size of pipe corresponding to the jaw opening. |  |