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| Patents Granted on 1938-04-12 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,113,623 | Apr. 12, 1938 | V.C. Macnabb | Sound Reproducing Apparatus | radios | |
| 2,113,694 | Apr. 12, 1938 | O.A. Kehle | Rubbing machine | handheld power sanders | |
| 2,114,108 | Apr. 12, 1938 | A. Hormel | Sheet feeding machine | printing presses | |