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| Patents for Emil Kolben | |||||
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| Number | Date | Patentee | Title | Type | |
| 480,727 | Aug. 16, 1892 | E. Kolben | Armature-conductor and means for insulating the same | motor armatures | |
| 480,728 | Aug. 16, 1892 | E. Kolben | Ring-armature | motor armatures | |
| 491,567 | Feb. 14, 1893 | E. Kolben | Conductor for armatures | motor armatures | |
| 491,568 | Feb. 14, 1893 | E. Kolben | Armature and means for supporting the same | motor armatures | |