US Patent: 637,317 
 | 
| Gas or Gasolene Engine
 | 
| 
	        Patentee:
		   |  
|
 | Schuyler W. Zent (exact or similar names) - Marion, Marion County, OH |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
 | 
| 
        Patent Dates:
         |  
| Applied: | 
Feb. 08, 1899 | 
 
| Granted: | 
Nov. 21, 1899 | 
 
 
 
USPTO (New site tip) Google Patents 
			Report data errors or omissions to steward 
                        Joel Havens 
 | 
| 
        Description: |  
| Claim:
 My invention relates to improvements in gas or gasolene engines, and more particularly to that class known as "four-cycle," exploding at every other revolution; and the objects are to improve and simplify the construction and increase the efficiency of the engine. |  
  |