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| Patents Granted on 1947-04-29 | |||||
| Number | Date | Patentee | Title | Type | |
| CA-441,034 | Apr. 29, 1947 | E.G. Dryden | Hacksaw blade | hacksaws | |
| 2,419,639 | Apr. 29, 1947 | W.F. Groene | Lathe Transmission and Control Mechanism | machine tool controls | |
| 2,419,726 | Apr. 29, 1947 | H. Pelphrey | Automatic Worm Gear Hobbing Machine | gear making machines | |
| 2,419,878 | Apr. 29, 1947 | G.A. Bishop | Rivet Heating Pot | rivet heaters | |