| US Patent: 617,372 
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| Explosive Engine | 
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| Patentee: |  |
 | Edward E. Truscott (exact or similar names) - St. Joseph, Berrien County, MI |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Feb. 25, 1898 |  
| Granted: | Jan. 10, 1899 |  USPTO (New site tip)
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                        Joel Havens
 
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| Description: |  | Claim:
A principal object of my invention relates to an improvement in the means for controlling the admission of the explosive mixture to the combustion-chamber. |  |