| US Patent: 6,523 
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| Barrel-machinery | 
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| Patentee: |  |
 | Reuben Murdock (exact or similar names) - Rochester, NY |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Granted: | Jun. 12, 1849 |  USPTO (New site tip)
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                        Jeff Joslin
 
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| Description: |  | According to the 1873 "Subject-matter index of patents for inventions issued by the United States Patent Office", this patent was granted an extension. |  |