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| Patents Granted on 1950-04-11 | |||||
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| Number | Date | Patentee | Title | Type | |
| D158,073 | Apr. 11, 1950 | E.A. Heschel | Combined Brace, Wrench, T-Wrench, and Ratchet | socket wrenches | |
| 2,503,551 | Apr. 11, 1950 | G.M. Gustin | Veneer gluing machine | veneer machines | |
| 2,503,590 | Apr. 11, 1950 | A.E. Ormsby | Truck crane | jib cranes | |
| 2,503,646 | Apr. 11, 1950 | J.C. Wilson | Apparatus for Dressing a Grinding Wheel to a Predetermined Configuration | grinder dressers | |
| 2,503,674 | Apr. 11, 1950 | T.H. Ljunggren | Grinding machine drive | grinders | |