US Patent: AI2 
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| Improvement on His Improved Self-Loading and Priming Fire-Arms
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| Manufacturer: |  
| Not known to have been produced |  
 
 
 
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        Patent Dates:
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| Granted: | 
Jan. 23, 1838 | 
 
 
 
| Reissue Information: |  
| Reissue of 364 (Aug. 31, 1837) |  
 
 
USPTO (New site tip) Google Patents 
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                        Joel Havens 
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        Description: |  
| AI (Additional Improvements) patents were issued between 1836 and 1861 and only 318 were ever issued. 
This patent is an Additional Improvement of patent #364. |  
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