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| Patents for Elmer J. Smith | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,285,820 | Nov. 26, 1918 | C. Vergan, G. Mayer, E.J. Smith | Automatic Milling Machine | milling machines | |
| 3,643,335 | Feb. 22, 1972 | E.J. Smith | Tile Marking Device | scribes | |