| US Patent: 5,301,934 
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| Twin Screw Vise | 
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| Patentees: |  
 | John S. Lynn (exact or similar names) - Ottawa, ON Canada |  | Francis A. McLean (exact or similar names) - Oxford Station, ON Canada |  | Edwin C. Tucker (exact or similar names) - Ottawa, ON Canada |  | Lloyd Sevack (exact or similar names) - Nepean, ON Canada |  | Gary W. Lacoste (exact or similar names) - Almonte, ON Canada |  | Timothy C. Frank (exact or similar names) - Ottawa, ON Canada |  | Michel Perrier (exact or similar names) - Orleans, ON Canada |  | Leonard G. Lee (exact or similar names) - Ottawa, ON Canada |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Aug. 10, 1992 |  
| Granted: | Apr. 12, 1994 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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                        Carl Matthews
 
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| Description: |  | Lee Valley's famous tail vise |  |