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| Patents Granted on 1947-04-15 | |||||
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| Number | Date | Patentee | Title | Type | |
| D146,608 | Apr. 15, 1947 | J.M. Little | Design for a drill press | drill presses | |
| 2,418,901 | Apr. 15, 1947 | E.C. Read | Crosshead and guide structure | steam engines | |
| 2,419,136 | Apr. 15, 1947 | A.F. Hasty | Honing Mandrel | honing machines | |