| US Patent: 346,687 
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| Gas Motor Engine | 
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| Patentee: |  |
 | Horace Robinson (exact or similar names) - Manchester, Lancashire County,  England |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Jun. 29, 1884 |  
| Granted: | Aug. 03, 1886 |  USPTO (New site tip)
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                        Joel Havens
 
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| Description: |  | Patented in England, 10 Jan 1880,#117; in France,  08 Jul 1880, #137,698 and in Belgium, 10 Jul 1880, 52,004. |  |