| US Patent: 649,441 
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| Sparking Igniter for Explosive-Engines | 
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| Patentee: |  |
 | Charles E. Duryea (exact or similar names) - Peoria, Peoria County, IL |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Aug. 25, 1896 |  
| Granted: | May 15, 1900 |  USPTO (New site tip)
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                        Joel Havens
 
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| Description: |  | Claim: 
In combination with the electric firing mechanism of an internal-combustion engine, an auxiliary circuit-breaker, means for closing the said breaker mechanically by the operation of a part of the engine designed to act only when the circuit is broken through the sparker, and other means for breaking the said circuit within a short time after said closing, substantially as and for the purpose described. |  |