| US Patent: 252,111 
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| Punching-machine | 
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| Patentees: |  
 | John M. Long (exact or similar names) - Hamilton, OH |  | Charles E. McBeth (exact or similar names) - Hamilton, OH |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Jul. 11, 1881 |  
| Granted: | Jan. 10, 1882 |  USPTO (New site tip)
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                        Joel Havens
 "Vintage Machinery" entry for McBeth, Bentel & Margedant
 
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| Description: |  | Co-inventor McBeth was formerly with woodworking machinery maker McBeth, Bentel & Margedant. |  |