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| Patents Granted on 1861-04-30 | |||||
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| Number | Date | Patentee | Title | Type | |
| D1,402 | Apr. 30, 1861 | S.E. Chubbuck | Steam radiator | radiators | |
| 32,179 | Apr. 30, 1861 | A. Call | Saw set | saw sets | |
| 32,193 | Apr. 30, 1861 | F. Kettler | Stump-extractor | specialty woodworking machines | |