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| Patents for Standard Axle Co. | |||||
| Picture | Number | Date | Patentee | Title | |
| 475,163 | May 17, 1892 | R.R. Spears | Lathe for Turning Axles | ||
| 530,861 | Dec. 11, 1894 | R.R. Spears | Turning Lathe for Axle Boxes | ||
| 585,715 | Jul. 06, 1897 | R.R. Spears | Machine for Reaming Axle Boxes | ||