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| Patents for Ozra Burr Osborn | |||||
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| Number | Date | Patentee | Title | Type | |
| 416,801 | Dec. 10, 1889 | O.B. Osborn, E.G. Richards | Wood-polishing machine | sanding machines | |
| 993,398 | May 30, 1911 | O.B. Osborn | Adjusting and grinding planer-knives | woodworking machine sharpening mechanisms | |