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| Patents for William Harrington | |||||
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| Number | Date | Patentee | Title | Type | |
| 570X | Aug. 28, 1804 | W. Harrington | Water Elevator | water elevators | |
| 5,394X | Mar. 03, 1829 | W. Harrington | Making Woollen Carpet or Carpeting | carpets | |
| 5,495X | Jun. 11, 1829 | W. Harrington | Making Woollen Carpet or Carpeting | carpets | |