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| All Patents in class 492/38 | |||||
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| Number | Date | Patentee | Title | Type | |
| 426,862 | Apr. 29, 1890 | S. Ross, Jr. | Sand-paper roll | sanding machines | |
| 1,390,693 | Sep. 13, 1921 | M.G. Fernandez | Sugar Cane Mill | sugar cane apparatus | |
| 1,470,740 | Oct. 16, 1923 | T.S. Hose | Polishing Wheel | ||