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| Patents for Fred Harris | |||||
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| Number | Date | Patentee | Title | Type | |
| 291,178 | Jan. 01, 1884 | W.B. Fenn | Plane Iron Depth Adjustment | plane cutter adjustments | |
| 292,169 | Jan. 22, 1884 | W.H. MacGregor | Pressure Gage | steam pressure gauges | |