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| Patents for Henry C. Butler | |||||
| Number | Date | Patentee | Title | Type | |
| 41,403 | Jan. 26, 1864 | N.C. Stiles | Improved Punching-Press | metal punching machines | |
| 148,032 | Mar. 03, 1874 | H.C. Butler | Improvement in gang-saw hangers | reciprocating sawmills | |