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| Patents for Weston Engine Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 358,476 | Mar. 01, 1887 | B.N. Payne | Lubricator | tool lubricators | |
| 370,303 | Sep. 20, 1887 | E.J. Armstrong | Governor for Steam Engines | steam engine governors | |
| 372,102 | Oct. 25, 1887 | E.J. Armstrong | Cross Head for Steam Engines | steam engines | |