| US Patent: 566,678 
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| Pipe Wrench | 
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| Patentee: |  |
 | Winfield S. Gilmore (exact or similar names) - Sorgho, KY |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Feb. 23, 1895 |  
| Granted: | Aug. 25, 1896 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Winfield S. Gilmore patent August 25, 1896 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | Multiple curved jaw segments wrap around a pipe; the grip is tightened by gear teeth on the handle engaging gear teeth on the outer edge of the curved jaw segments.
W.L. Bessolo's patent no. 1,318,047 is similar, with an intermediate gripping piece between the handle and jaw segments. |  |