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| Patents for Henry March | |||||
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| Number | Date | Patentee | Title | Type | |
| 112,238 | Feb. 28, 1871 | E.B. Gifford | Improvement in Wrenches and Oilers | axle nut wrench combination tools | |
| 301,945 | Jul. 15, 1884 | A.C. Winn | Gage | measurement gauges | |