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| Patents for Osgood Plummer | |||||
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| Number | Date | Patentee | Title | Type | |
| 97,959 | Dec. 14, 1869 | O. Plummer | Mechanical movement | looms | |
| 274,026 | Mar. 13, 1883 | O. Plummer | Post for drilling machines | woodworking post drills | |