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| Patents for Sylvanus R. Kneeland | |||||
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| Number | Date | Patentee | Title | Type | |
| 145,506 | Dec. 16, 1873 | S.R. Kneeland | Improvement in Screwdrivers | screwdriver blades | |
| 147,654 | Feb. 17, 1874 | S.R. Kneeland | Improvement in Screwdriver blades | screwdriver blades | |