| US Patent: 634,529 
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| Gas Engine | 
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| Patentee: |  |
 | Alfred Lee (exact or similar names) - New Whatcom, Whatcom County, WA |  
 
| USPTO Classifications: |  | 123/162, 123/196R, 123/363, 123/65S, 123/69R, 123/71V, 123/73CC, 123/73FA, 184/11.4, 184/18, 184/6.5, 74/587, 92/110, 92/168 |  
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Apr. 25, 1898 |  
| Granted: | Oct. 10, 1899 |  USPTO (New site tip)
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                        Joel Havens
 
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| Description: |  | Claim:
My invention relates to gas and similar engines, and has for its object to provide a simple, compact, and efficient construction and arrangement of parts, whereby a high speed of movement may be secured, the same being of the two-cycle rear-compression type, where an explosion is produced for each stroke of the piston. |  |