US Patent: 3,368,432 
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| Sliding Side Jaw Wrench Having A Perforated Drive Belt
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	        Patentee:
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 | Kenneth F. Halls (exact or similar names) - Broomfield, CO |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
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        Patent Dates:
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| Applied: | 
May 22, 1967 | 
 
| Granted: | 
Feb. 13, 1968 | 
 
 
 
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		  Patent Pictures:
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Kenneth F. Halls Patent February 13, 1968  |  
 
USPTO (New site tip) Google Patents 
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                        Stan Schulz 
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        Description: |  
| The adjustable jaw is moved by a worm which is driven by a slide-powered drive chain or belt. 
The specifications cite patent nos. 3,000,246 and 3,125,911 as references.  This patent is cited in the specifications for patent no. 3,555,939. |  
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