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| All Patents in class 492/22 | |||||
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| Number | Date | Patentee | Title | Type | |
| 426,859 | Apr. 29, 1890 | S. Ross, Jr. | Sand-paper roll | sanding machines | |
| 949,249 | Feb. 15, 1910 | J.R. Thomas | Abrading-cylinder | sanding machines | |