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| Patents for Lemuel B. McAlpine | |||||
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| Number | Date | Patentee | Title | Type | |
| 637,644 | Nov. 21, 1899 | L.B. McAlpine | Road Machine or Scraper | road scrapers | |
| 710,165 | Sep. 30, 1902 | L.B. McAlpine | Road Roller | road rollers | |
| 941,939 | Nov. 30, 1909 | L.B. McAlpine | Hitching and Steering Device | ||