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