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| Patents for Thomas R. Pickering | |||||
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| Number | Date | Patentee | Title | Type | |
| 36,621 | Oct. 07, 1862 | T.R. Pickering | Improved centrifugal governor | steam engine governors | |
| 50,624 | Oct. 24, 1865 | T.R. Pickering | Governor | steam engine governors | |
| 185,188 | Dec. 12, 1876 | T.R. Pickering | Shaft-Hangers | industrial machine shaft hangers | |
| 318,289 | May 19, 1885 | T.R. Pickering | Safety Attachment for Steam Engine Governors | steam engine governors | |