| US Patent: 613,284 
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| Supply Controlling Mechanism for Gas Engines | 
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| Patentee: |  |
 | John S. Klein (exact or similar names) - Oil City, Venango County, PA |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Dec. 31, 1897 |  
| Granted: | Nov. 01, 1898 |  USPTO (New site tip)
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                        Joel Havens
 
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| Description: |  | Claim:
The invention particularly relates to that class of controlling means that govern the engine by varying the strength of the charges of mixture to effect a change in the power of the engine as distinguished from those that vary the number of charges relatively to the cycles of the engine to effect the same result. |  |