| US Patent: 113,743 
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| Forming Wrench Heads Improvement in the Modes of Forming the Heads of Wrench-Bars
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| Patentee: |  |
 | Aury Gates Coes (exact or similar names) - Worcester, MA |  
 
 
 
 
 
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| Patent Dates: |  
| Granted: | Apr. 18, 1871 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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	        ] |  |  |  | Aury G. Coes Forming Wrench Heads (forming stages) (Pat. April 18, 1871) |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The patent describes the process; the drawings include very generalized ideas of the shape of the forging dies. The specifications refer in a general way to earlier Coes patents for manufacturing processes and equipment. Patents No. 29360 (July 31, 1860), No. 91605 (June 22, 1869), and No. 104931 (July 5, 1870) are examples. |  |