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| Patents Granted on 1858-04-13 | |||||
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| Number | Date | Patentee | Title | Type | |
| 19,901 | Apr. 13, 1858 | H. Aiken | Improvement in Awls and Tools | tool holders | |
| 19,906 | Apr. 13, 1858 | J.L. Beadle | Shingle sawing machine | shingle machines | |
| 19,915 | Apr. 13, 1858 | A.B. Davis | Corn Sheller | corn shellers | |
| 19,928 | Apr. 13, 1858 | S. Holl | Hub-boring machine | drilling and boring | |
| 19,954 | Apr. 13, 1858 | E.S. Scripture | Improvement in Screw-Wrenches | nut wrenches | |
| 19,971 | Apr. 13, 1858 | J.W. Wheeler | Machine for splints for brooms | broom making machinery | |