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| Patents for Emanuel Hagstrom | |||||
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| Number | Date | Patentee | Title | Type | |
| 880,878 | Mar. 03, 1908 | G. Hagstrom, E. Hagstrom | Implement for Severing Brittle Subtances | ||
| 881,856 | Mar. 10, 1908 | E. Hagstrom, G. Hagstrom, W. Hagstrom | Cup Attachment for Augers | drill accessories | |