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| Patents for Oscar T. Anderson | |||||
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| Number | Date | Patentee | Title | Type | |
| 881,887 | Mar. 17, 1908 | F.A. Johnson, O.T. Anderson | Marking Gage | butt gauges | |
| 1,226,047 | May 15, 1917 | O.T. Anderson | Tool Holder | metal lathe accessories and attachments | |