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Patents Granted on 1938-09-20 | |||||
Number | Date | Patentee | Title | Type | |
2,130,341 | Sep. 20, 1938 | C.G. Garrard | Metal Cutting and Like Machine Tools | screw machines | |
2,130,393 | Sep. 20, 1938 | A.M. Johnson | Honing machine | honing machines | |
2,130,711 | Sep. 20, 1938 | H.H. Asbridge | Grinding wheel truing device | grinder dressers | |
2,130,809 | Sep. 20, 1938 | C.E. Miller | Multiple Spindle Automatic Lathe | multiple spindle lathes |