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| Patents for William H. Mackrell | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,593X | Jun. 13, 1831 | W.H. Mackrell | Securing window blinds | shutters and blinds | |
| RX-18 | Dec. 10, 1839 | W.H. Mackrell | Improvement in Fasteners for Shutters and Blinds | shutters and blinds | |