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| Patents for Jacob Harter | |||||
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| Number | Date | Patentee | Title | Type | |
| 492,435 | Feb. 28, 1893 | S.B. Rittenhouse | Pipe Wrench | wedge adjust wrenches | |
| 617,742 | Jan. 17, 1899 | J. Harter | Axle nut wrench | axle nut wrenches | |