| US Patent: 3,606,806 
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| Pliers | 
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| Patentee: |  |
 | Frank Patrick (exact or similar names) - Meadville, PA |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | May 09, 1968 |  
| Granted: | Sep. 21, 1971 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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	        ] |  |  |  | Frank Patrick patent Sept. 21, 1971 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The size adjustment is set by a screw, and has a "locking screw" collar. The lock release is a secondary lever on the lever handle that presses on a projection extending from the toggle link. This arrangement for the lever handle and lock release facilitates one-handed operation. 
Produced as the CHANNELLOCK No. 950 TOG-L-LOK Locking pliers, which is marked with this patent and 3,545,315. |  |