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| Patents for N. O. Pillsbury | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 166,213 | Aug. 03, 1875 | T. McDonough | Improvement in car-starters | |
![]() | 173,802 | Feb. 22, 1876 | T. McDonough | Improvement in Calipers and Dividers | |
| 181,699 | Aug. 29, 1876 | T. McDonough | Improvement in Wrenches | ||