| US Patent: 628,123 
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| Gas Engine | 
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| Patentee: |  |
 | William S. Sharpneck (exact or similar names) - Chicago, Cook County, IL |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Aug. 24, 1898 |  
| Granted: | Jul. 04, 1899 |  USPTO (New site tip)
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                        Joel Havens
 
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| Description: |  | Claim:
The combination in an engine, of a reciprocating piston, a cylinder rocking around said piston in a suitable bearing, an inlet for the motive fluid in said cylinder, and an inlet in said bearing communicating with said inlet in the cylinder, substantially as described. |  |