US Patent: 370,752 
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| Pipe Wrench
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	        Patentee:
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 | Jacob H. Guiley (exact or similar names) - East Saginaw, MI |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
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        Patent Dates:
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| Applied: | 
Nov. 30, 1886 | 
 
| Granted: | 
Sep. 27, 1887 | 
 
 
 
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		  Patent Pictures:
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Jacob H. Guiley patent September 27, 1887  |  
 
USPTO (New site tip) Google Patents 
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                        Stan Schulz 
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        Description: |  
| Self-adjusting action by virtue of the cam-like extension on the handle. |  
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