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| Patents Granted on 1948-04-20 | |||||
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| Number | Date | Patentee | Title | Type | |
| CA-448,026 | Apr. 20, 1948 | A.C. Ertner | Wrench | quick adjust wrenches | |
| 2,439,965 | Apr. 20, 1948 | J.A. Cupier | Drill press | drill presses | |