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| Patents for George S. Rominger | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 243,978 | Jul. 05, 1881 | G.S. Rominger | Three-jaw chuck with self-aligning jaws | |
 | 265,151 | Sep. 26, 1882 | G.S. Rominger | Three-jaw chuck with springs to spread the jaws open. | |
| 490,503 | Jan. 24, 1893 | G.S. Rominger | Worm Gear Cutting Machine | ||