US Patent: 667,853 
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| Pipe-Wrench
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	        Patentee:
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 | Fred E. Sands (exact or similar names) - Cambridge, MA |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
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        Patent Dates:
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| Applied: | 
Mar. 19, 1900 | 
 
| Granted: | 
Feb. 12, 1901 | 
 
 
 
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		  Patent Pictures:
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Patent 667,853 -edited Patent Gazette entry  |  
 
USPTO (New site tip) Google Patents 
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                        Stan Schulz Pat. 667,853 (ESPACENET) 
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        Description: |  
| Revised strap mounting provision for the strap wrench in 627,075. In this revision, a "bight" in the strap slides into a "keyhole shaped" slot in the frame, and is anchored by a pin driven into the loop of the "bight." 
An "aside" note - State by state variations in Corporation law at the time "motivated" companies to incorporate in Maine. |  
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