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Thomas Edison ; 1922
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| Number | Title | Issue Date |
| 4271717 | Axle assemblies An axle assembly with crown-wheel and pinion gearing and lubrication of the pinion bearings by two passages having entrances disposed close to the periphery of a rotary element, to remove lubricant from a film entrained by the element from a supply of lub... | 06/09/1981 |