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| Patents for P. J. Clevenger | |||||
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| Number | Date | Patentee | Title | Type | |
| 330,835 | Nov. 17, 1885 | E.B. Jackson | Wrench | axle nut wrenches | |
| 334,085 | Jan. 12, 1886 | J.D. Otstot | Wrench | screw adjust wrenches | |