| US Patent: 170,349 
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| Improvement in hand planing-machines | 
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| Patentees: |  
 | George W. Passel (exact or similar names) - Cincinnati, OH |  | William H. Doane (exact or similar names) - Cincinnati, OH |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Jul. 17, 1875 |  
| Granted: | Nov. 23, 1875 |  USPTO (New site tip)
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                        Jeff Joslin
 Vintage Machinery entry for J. A. Fay & Co.
 
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| Description: |  | The patent covers a removable cutterhead support to make it easier to swap cutterheads. That was important back in the day when a jointer was also used as an inside molder. |  |