| US Patent: 743,072 
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| Pipe Vise | 
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| Patentee: |  |
 | William J. Grinden (exact or similar names) - New York, NY |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Jun. 24, 1903 |  
| Granted: | Nov. 03, 1903 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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                        Stan Schulz
 
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| Description: |  | Chain pipe vise; produced as the VULCAN CHAIN PIPE VISE. The small "salesman sample" versions of this tool are nice additions to a collection of pipe wrenches. 
Corresponding British patent is GB-190323811; improved by patent no. 769,814 and corresponding British patent GB-190419711. 
Arthur S. Browne - patent attorney |  |