US Patent: 400,754 
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| Motive Power Engine
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	        Patentees:
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 | Edouard Deamare-Deboutteville (exact or similar names) - Fontaine-Le-Bourg, Seine-Inférieure, France |  
| Léon Paul Charles Malandin (exact or similar names) - Fontaine-Le-Bourg, Seine-Inférieure, France |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
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        Patent Dates:
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| Applied: | 
Oct. 12, 1886 | 
 
| Granted: | 
Apr. 02, 1889 | 
 
 
 
USPTO (New site tip) Google Patents 
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                        Joel Havens 
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        Description: |  
| Patented in Germany, 04 May 1884, #33,915 & 02 May 1886, #37,420; in France, 04 Feb 1886, #160,267;in England, 01 Jan 1886, #11; in Belgium, 04 May 1886, #72,794; in Italy, 10 Jun 1887, #21,842 and in Spain, 13 Jul 1887, #11,124. |  
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