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| Patents for Irma D. Bremer | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,132,663 | Mar. 23, 1915 | C.J. Luther | Honing Implement for Chisels, &c. | tool grinders | |
| 1,182,095 | May 09, 1916 | C.J. Luther | Gear-casing | sharpening machines | |