| US Patent: 161,995 
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| Improvement in planing-machines | 
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| Patentee: |  |
 | Daniel L. Toppan (exact or similar names) - Somerville, MA |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Feb. 23, 1875 |  
| Granted: | Apr. 13, 1875 |  USPTO (New site tip)
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                        Jeff Joslin
 
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| Description: |  | This invention is aimed at the problem of planing knotty and cross-grained lumber, and the approach is to move the cutter-shaft laterally as it rotates so as to create a slicing motion. |  |