| US Patent: 1,539X 
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| Machine for shaving and jointing staves | 
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| Patentees: |  
 | William Mowry (exact or similar names) - Washington County, NY |  | Barnabas Langdon (exact or similar names) - Washington County, NY |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Granted: | Jun. 20, 1811 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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                        Jeff Joslin
 Vintage Machinery entry for Barnabas Langdon
 
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| Description: |  | Barnabas Langdon was a prolific early inventor, with patents for a water pump, tin ware manufacture, steam-powered boats, horse-powered boats, grist mills, flax and hemp processing, etc. |  |