| US Patent: 597,921 
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| Explosive Engine | 
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| Patentee: |  |
 | Elias D. Strong (exact or similar names) - Chicago, Cook County, IL |  
 
| USPTO Classifications: |  | 123/162, 123/2, 123/47R, 123/522, 123/53.1, 123/65B, 123/65VB, 123/70V, 185/41R, 48/103, 60/699 |  
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Jan. 25, 1897 |  
| Granted: | Jan. 25, 1898 |  USPTO (New site tip)
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                        Joel Havens
 
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