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| Patents Granted on 1947-09-30 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,428,049 | Sep. 30, 1947 | J. Tate | Drill press | drill presses | |
| 2,428,234 | Sep. 30, 1947 | A.G. Mapp | Internal Micrometer | micrometers | |
| 2,428,309 | Sep. 30, 1947 | K.F. Gallimore | Boring machine | horizontal boring mills | |
| 2,428,337 | Sep. 30, 1947 | F.E. Munschauer | Sleeve clutch and brake | metal shearing machines | |