| US Patent: 104,744 
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| Improvement in engraving-machines | 
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| Patentee: |  |
 | John D. Lathrop (exact or similar names) - New York, NY |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Granted: | Jun. 28, 1870 |  USPTO (New site tip)
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                        Jeff Joslin
 
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| Description: |  | See patents 80,292 and 108,940 for more information on the assignee company and its successor, the Lippiatt Silver Plate & Engraving Co. |  |