| US Patent: 76,147 
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| Improved saw-gumming or toothing machine | 
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| Patentee: |  |
 | Abraham Bartholf (exact or similar names) - New York, NY |  
 
 
 
 
 
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| Patent Dates: |  
| Granted: | Mar. 31, 1868 |  USPTO (New site tip)
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                        Jeff Joslin
 
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| Description: |  | The 1874 work, "Wiley's American iron trade manual of the leading iron industries of the United States", carries a listing for A. Bartholf of 33 Gold Street, New York: "Saw-toothing machinery and shears." |  |