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| Patents for Charles H. Oslund | |||||
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| Number | Date | Patentee | Title | Type | |
| 981,791 | Jan. 17, 1911 | C.H. Oslund | Drill | rail drilling machines | |
| 2,678,218 | May 11, 1954 | C.H. Oslund | Universal Expansion Chuck | metal lathe chucks | |