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| All Patents in class 15/213 | |||||
| Number | Date | Patentee | Title | Type | |
| 38,153 | Apr. 14, 1863 | G. Cowing | Polishing Metal Cylinders | polishing and buffing machinery | |
| 2,056,706 | Oct. 06, 1936 | R.G. Anderson, J.Y. Blazek | Surface finishing machine | vehicle mechanic | |