| US Patent: 500,950 
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| Combined Wrench And Wheel Lifter | 
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| Patentee: |  |
 | James Robertson (exact or similar names) - Perth, ON Canada |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Apr. 18, 1893 |  
| Granted: | Jul. 04, 1893 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | James Robertson patent July 4, 1893 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | A crank-driven axle nut wrench at the handle end will clamp on and hold the axle nut while the lifter holds the wheel while the axle is oiled.
Canadian patent CA-43,123 (June 3, 1893) is parallel for the same design, with slightly different drawings. |  |