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| Patents for John E. McIntosh | |||||
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| Number | Date | Patentee | Title | Type | |
| 360,711 | Apr. 05, 1887 | J.E. McIntosh | Engine Crank | steam engine crank rods | |
| 384,637 | Jun. 19, 1888 | J.E. McIntosh | Valve for Steam Engines | steam engine valves | |
| 402,622 | May 07, 1889 | J.E. McIntosh, J.A. Seymour | Steam Engine | steam engines | |
| 707,792 | Aug. 26, 1902 | J.A. Seymour, J.E. McIntosh | Adjuster for Centrifugal Governors | steam engine governors | |