US Patent: 662,718 
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| Explosive Engine
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	        Patentee:
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 | Oliver F. Good (exact or similar names) - Dayton, Montgomery County, OH |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
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        Patent Dates:
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| Applied: | 
Aug. 25, 1900 | 
 
| Granted: | 
Nov. 27, 1900 | 
 
 
 
USPTO (New site tip) Google Patents 
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                        Joel Havens 
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        Description: |  
| Claim:
In anr explosive-engine, the combination with two power-cylinders, of a head having two separate compression-chambers, an integral valve-box on said head and occupying a position midway of said head, a mixing-chamber, exhaust-chamber, and a passage between said mixing-chamber and exhaust-chamber, two valves controlling the communication between said mixing-chamber, exhaust-chamber, arid passage, anr inwardly-opening valve for each compression-chamber in the cylinder-head and controlling the admission of explosive mixture from the passage E to said coin pression-chambers, and means for operating said valves |  
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