| US Patent: 437,776 
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| Gas Engine | 
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| Patentee: |  |
 | Ernest Henry Gaze (exact or similar names) - London, Middlesex County,  England |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Mar. 04, 1890 |  
| Granted: | Oct. 07, 1890 |  USPTO (New site tip)
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                        Joel Havens
 
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| Description: |  | Patented in England, 14 Mar 1888, #3,964 & 23 Apr 1888, #6,036; in France, 07 Mar 1889, #196,531 and in Belgium, 03 Jun 1889, #86,490. |  |