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| All Patents in class 403/301 | |||||
| Number | Date | Patentee | Title | Type | |
| 306,690 | Oct. 14, 1884 | R.D. Johnson | Bit-stock (chuck) | ||
| 965,664 | Jul. 26, 1910 | T.E. Stevenson | Bung-Hole Borer/Reamer | tapered reamers | |
| 1,285,693 | Nov. 26, 1918 | F. Hardinge | Carriage feed mechanism for lathes | metal lathes | |