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| Patents for Emil Olund | |||||
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| Number | Date | Patentee | Title | Type | |
| 330,259 | Nov. 10, 1885 | E. Olund | Barrel-hoop machine | barrel making machines | |
| 394,543 | Dec. 11, 1888 | E. Olund | Barrel-hoop machine | barrel making machines | |