| US Patent: 599,379 
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| Wrench | 
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| Patentee: |  |
 | Charles E. Billings (exact or similar names) - Hartford, CT |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Oct. 25, 1897 |  
| Granted: | Feb. 22, 1898 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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	        ] |  |  |  | Charles E. Billings patent February 22, 1898 |  Google Patents
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                        Stan Schulz
 BILLINGS Cam Lever Pocket Wrench (edited) - FLICKR
 
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| Description: |  | Screw adjustable jaw with supplemental cam lever. The cam lever ads extra gripping force, and the end of the lever engages a latch in the handle to lock the wrench on to the nut. 
This is a modification of the BILLINGS 97 Pocket Wrench based on design patent (no. D26,111). 
This patent cited as a reference in 4,375,174.
F. H. Richards - patent attorney |  |