| US Patent: 643,713 
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| Boring attachment for metal-working lathes | 
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| Patentee: |  |
 | Ora E. Converse (exact or similar names) - Springfield, OH |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Jun. 05, 1899 |  
| Granted: | Feb. 20, 1900 |  USPTO (New site tip)
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                        Jeff Joslin
 Vintage Machinery entry for Western Tool & Mfg. Co.
 
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| Description: |  | An undated catalog from Western Tool & Mfg. Co. features "The 'Champion' boring tool / Patented Feb. 20, 1900 - Oct. 17, 1905 / Other Patents Pending. The 1905 patent date corresponds to patent 802,059. |  |