| US Patent: 563,670 
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| Gas, Oil or Vapor Engine | 
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| Patentee: |  |
 | Frank S. Mead (exact or similar names) - Montréal, QC, Canada |  
 
| USPTO Classifications: |  | 123/255, 123/275, 123/280, 123/332, 123/47A, 123/58.4, 123/58.9, 123/65V, 123/65VB, 123/69R, 123/70V, 123/73CB, 123/73V |  
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Aug. 20, 1894 |  
| Granted: | Jul. 07, 1896 |  USPTO (New site tip)
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                        Joel Havens
 
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