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| Patents for Alfred G. Stokes | |||||
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| Number | Date | Patentee | Title | Type | |
| 892,017 | Jun. 30, 1908 | A.G. Stokes | Multiple Expansion Engine | steam engine pistons | |
| 899,849 | Sep. 29, 1908 | A.G. Stokes | Steam Actuated Valve for Engines | steam engine valves | |