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| Patents Granted on 1947-04-01 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,418,217 | Apr. 01, 1947 | J.W. Batchelder | Thread Rolling | thread rolling machines | |
| 2,418,220 | Apr. 01, 1947 | I.F. Churchill | Control mechanism for drilling machines | drill presses | |
| 2,418,223 | Apr. 01, 1947 | R.E. Flanders | Work Supporting and Moving Mechanism | workpiece changers and storage mechanisms | |