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| Patents for Erastus Tracy | |||||
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| Number | Date | Patentee | Title | Type | |
| 210 | May 30, 1837 | E. Tracy, C.R. Harvey | Machine for hulling and scouring rice | grain hullers | |
| 242 | Jun. 22, 1837 | L.H. Moseley | Machine for cutting dye-woods | wood grinding machines | |
| 14,424 | Mar. 11, 1856 | E. Tracy | Wrench | nut wrenches | |