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| Patents for William Harris | |||||
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| Number | Date | Patentee | Title | Type | |
| 280X | Mar. 15, 1800 | W. Harris | Lathe or loom for weaving | looms | |
| 42,914 | May 24, 1864 | S.U. King | Improvement in boring-machines | portable timber mortisers | |
| 61,537 | Jan. 29, 1867 | C. Browning, W. Harris | Metal Nut | wrenches | |
| 326,978 | Sep. 29, 1885 | W. Harris | Improvement in Pipe-Tongs | pipe tongs | |