| US Patent: 494,529 
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| Pipe Wrench | 
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| Patentee: |  |
 | Henry F. Jenks (exact or similar names) - Pawtucket, RI |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Aug. 20, 1892 |  
| Granted: | Mar. 28, 1893 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Henry F. Jenks patent March 28, 1893 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The adjusting nut for the movable jaw also acts a retainer for the rocking jaw surface of the lower "fixed" jaw.
Kenneth Cope's "American Wrench Makers 183-1930" indicates Jenks produced the wrench. |  |