| US Patent: 1,848,044 
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| Broaching Machine | 
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| Patentee: |  |
 | Louis H. Blood (exact or similar names) - Cincinnati, Hamilton County, OH |  
 
| USPTO Classifications: |  | 269/13, 269/57, 29/38C, 29/DIG.101, 29/DIG.77, 29/DIG.96, 409/252, 409/262, 409/263, 409/275, 409/277, 470/66, 74/427 |  
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Nov. 13, 1926 |  
| Granted: | Mar. 01, 1932 |  USPTO (New site tip)
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                        Joel Havens
 "Vintage Machinery" entry for Cincinnati Milling Machine Co.
 
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