| US Patent: 245,740 
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| Lathe for tuning spirals | 
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| Patentee: |  |
 | Valentin Merklen (exact or similar names) - New York, NY |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | May 19, 1881 |  
| Granted: | Aug. 16, 1881 |  
 
| Reissue Information: |  | Reissued as RE10,765 (Sep. 21, 1886) |  USPTO (New site tip)
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                        Jeff Joslin
 
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| Description: |  | Valentin Merklen (1853-1896) was born in Alsace and died in Brooklyn age 43, leaving behind a wife but no children. He also went by "Valentine" Merklen; see patent 339,314. |  |