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| Patents for Carl Otto Dost | |||||
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| Number | Date | Patentee | Title | Type | |
| 494,737 | Apr. 04, 1893 | C.O. Dost | Device for Spheric Turning | metal ball making machines | |
| 943,010 | Dec. 14, 1909 | C.O. Dost | Surface Gage | surface gauges | |