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| Patents for Harrison Machine Works | |||||
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| Number | Date | Patentee | Title | Type | |
| 223,405 | Jan. 06, 1880 | J.A. Stout | Traction Engine | steam traction engines | |
| 491,385 | Feb. 07, 1893 | J.A. Stout | Traction Engine | traction engine propulsion components | |