| US Patent: 116,440 
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| Instrument for Ringing Hogs | 
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| Patent Dates: |  
| Granted: | Jun. 27, 1871 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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	        ] |  |  |  | John Heesen, George Heesen, and Henry Nyland patent June 27, 1871 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The tool forms a ring out of a sheet metal rhombus. The curves at the end of the handles are to form the initial curves; the curved shape of the jaws curls the points towards each other to form the circle. It would also work to fasten leather or similar materials. 
A known example is marked only with the patent date. Manufacturer name supplied by an ad for the WOLVERINE HOG-RINGER in the 1874-1875 ADRIAN, Michigan City Directory. John Heesen patented a double-jaw hog ring pliers on April 27, 1880 (no. 226,915). |  |