| US Patent: 134,363 
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| Improvement in grindstone-frames | 
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| Patentee: |  |
 | George L. Cummings (exact or similar names) - New York, NY |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Granted: | Dec. 31, 1872 |  USPTO (New site tip)
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                        Jeff Joslin
 
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| Description: |  | Inventor Cummings manufactured his carriage jack and a couple of other small items, plus he was a dealer of new and used woodworking machinery (most notably for the Huntington Machine Works of Newark). |  |