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| Patents for William H. H. Sisum | |||||
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| Number | Date | Patentee | Title | Type | |
| 237,059 | Jan. 25, 1881 | W.H. Sisum | Metal Shaping Machine | metal shapers | |
| 382,442 | May 08, 1888 | W.H. Sisum | Match-stick cutter | cutters | |