| US Patent: 335,462 
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| Gas Engine | 
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| Patentee: |  |
 | Jean Joseph Etienne Lenior (exact or similar names) - Paris,  France |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Dec. 10, 1883 |  
| Granted: | Feb. 02, 1886 |  USPTO (New site tip)
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                        Joel Havens
 
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| Description: |  | Patented in France,27 Oct 1883, #158,259; in Belgium, 07 Nov 1883, #63,111; in England, 10 Nov 1883, 5,315;and in Austria, 06 Sep 1884, #42,213. |  |