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| Patents for Sergeant Mfg. Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| CA-10,728 | Dec. 09, 1879 | B.E. Sergeant | Improvements on saw mill head block | sawmill headblocks | |
| CA-120,740 | Sep. 21, 1909 | G.S. Sergeant | Grate bar | industrial furnaces | |