| All Patents in class 74/841 |
Patents 31 -
45
of 71
      |
| Number | Date | Patentee | Title | Type |
| 282,750 | Aug. 07, 1883 | J. Miller | Drilling Machine | drill presses |
| 283,857 | Aug. 28, 1883 | A. Box | Radial drilling-machine | radial drill presses |
| 287,326 | Oct. 23, 1883 | J. Richards | Drilling-machine | drill presses |
| 291,876 | Jan. 15, 1884 | R.K. Carpenter | Drilling Machine | portable metal drilling machines |
| 312,530 | Feb. 17, 1885 | R. Triller | Tenoning and boring machine | tenoning machines |
| 392,960 | Nov. 13, 1888 | H. Longwell | Boring-machine | drilling and boring |
| 396,018 | Jan. 08, 1889 | C.M. Woolworth | Drilling-machine | portable metal boring and drilling machines |
| 404,367 | May 28, 1889 | E.C. Stearns | Drill Press | drill presses |
| 421,517 | Feb. 18, 1890 | F.H. Richards | Drilling Machine | drill presses |
| 434,576 | Aug. 19, 1890 | H.B. Wyman | Drilling Machine | stone boring and drilling machines |
| 441,900 | Dec. 02, 1890 | J. Ross | Drilling Machine | drill presses |
| 452,053 | May 12, 1891 | F.H. Richards | Multiple drilling-machine | multiple spindle drill presses |
| 456,560 | Jul. 28, 1891 | H.H. Fuller | Drill-press | drill presses |
| 461,253 | Oct. 13, 1891 | W.F. Barnes | Drilling-machine | drill presses |
| 480,907 | Aug. 16, 1892 | J. Kindred | Drilling-machine | drill presses |
