| US Patent: 166,511 
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| Improvement in Wire-Barb Pinchers | 
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| Patent Dates: |  
| Applied: | Jun. 19, 1875 |  
| Granted: | Aug. 10, 1875 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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	        ] |  |  |  | John Dobbs and Benjamin F. Booth Pat. August 10, 1875 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | This specialty pliers design has jaws that slide past each other, with notched faces to guide the legs of wire staples to form barbs on smooth fence wires. 
A known example is marked "D&B PAT AUG 10 75." The two halves are identical, made of malleable cast iron.  The pincers is also shown as #165 & #170 in "Collectors Guide For Fencing Tools" by Richard Smith and Richard Smith, Jr. 
Dobbs and Booth had a series of patents relating to barbed wire and barbing tools. The "U" shaped barb appears in patent no. 171,105 granted Dec. 14, 1875. |  |