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| Patents for F. W. Warner | |||||
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| Number | Date | Patentee | Title | Type | |
| 460,694 | Oct. 06, 1891 | T.F. Vandegrift | Wrench | screw adjust wrenches | |
| 515,436 | Feb. 27, 1894 | G.B. Martin | Wrench For Vehicles | axle nut wrenches that lock nut to wheel hub | |