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| Patents for Elgin National Watch Co. | |||||
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| Number | Title | Classification(s) | |||
| 508,716 | Profiling Machine | 269/287, 269/61, 409/122, 409/165, 82/165 | |||
| 545,692 | Dead Center Lathe | 82/115, 82/142, 82/150 | |||