| US Patent: 816,062 
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| Gas Engine | 
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| Patentee: |  |
 | Ira Sayre Barnett (exact or similar names) - Louisville, Jefferson County, KY |  
 
| USPTO Classifications: |  | 123/146.5A, 123/189, 123/193.4, 123/41.72, 123/58.1, 123/90.25, 123/90.26, 123/90.31, 123/90.48, 123/90.49, 123/90.64, 200/19.13 |  
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Feb. 06, 1904 |  
| Granted: | Mar. 27, 1906 |  USPTO (New site tip)
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                        Joel Havens
 
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