| US Patent: 574,723 
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| Gas or Oil  Engine | 
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| Patentee: |  |
 | Eugene Fessard (exact or similar names) - Poissy,  France |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Feb. 26, 1896 |  
| Granted: | Jan. 05, 1897 |  USPTO (New site tip)
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                        Joel Havens
 
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| Description: |  | Patented in France, 13 Apr 1895, #246,621; in Belgium, 14 Oct 1895, #117,872; in England, 13 Nov 1895 #21,574 and in Austria-Hungary, 20 Dec 1895, #45/4984. |  |