| US Patent: 1,325,366 
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| Tractor | 
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| Patentees: |  
 | Johannes Ruckstinat (exact or similar names) - Toronto, ON Canada |  | John Campbell McLachlan (exact or similar names) - Toronto, ON Canada |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Feb. 26, 1918 |  
| Granted: | Dec. 16, 1919 |  USPTO (New site tip)
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| Description: |  | "The principal feature of the invention consists in the novel construction and arrangement of parts, whereby the main frame is formed of a unitary metal casting which supports the entire power unit and transmission and carries the traction and supporting wheels." |  |