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| Patents for J. H. Kuhn | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,246,183 | Nov. 13, 1917 | H. Terhune | Drop-hammer | drop hammers | |
| 1,246,184 | Nov. 13, 1917 | H. Terhune | Drop-hammer | drop hammers | |
| 1,246,185 | Nov. 13, 1917 | H. Terhune | Means for operating the rolls of a board drop-hammer | drop hammers | |