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| Patents for Alexander C. Dumontier | |||||
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| Number | Date | Patentee | Title | Type | |
| 336,845 | Feb. 23, 1886 | A. Plourde, A.C. Dumontier | Chip-breaker | wood planers | |
| 389,139 | Sep. 04, 1888 | A.C. Dumontier | Knife for planing machines | cutters | |