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| Patents for E. R. Smith | |||||
| Number | Date | Patentee | Title | Type | |
| 236,052 | Dec. 28, 1880 | E.A. Marsh | Steam-engine valve-gear | steam engine valve gear | |
| 1,125,945 | Jan. 26, 1915 | J.F. Cline, J.W. Boling | Tool | pliers | |