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| Patents for Henry W. De Courtenay | |||||
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| Number | Date | Patentee | Title | Type | |
| 285,583 | Sep. 25, 1883 | H.W. De Courtenay | Miter-box and jack-board | miter boxes | |
| 370,048 | Sep. 20, 1887 | H.W. De Courtenay | Combination Wrench | bicycle or pocket wrenches | |