| All Patents in class 408/127 |
Patents 16 -
25
of 25
      |
| Number | Date | Patentee | Title | Type |
| 1,212,472 | Jan. 16, 1917 | W.R. Fox | Attachment for multiple drills | multiple spindle drill presses |
| 1,285,651 | Nov. 26, 1918 | J.A. Eden, Jr. | Drill Machine | |
| 1,452,172 | Apr. 17, 1923 | R.F. Scott | Drill-spindle-adjusting mechanism | multiple spindle drill presses |
| 1,489,523 | Apr. 08, 1924 | W.R. Fox, H.D. Corwin | Drilling machine (multiple drill) | |
| 2,208,312 | Jul. 16, 1940 | H.N. Stephan, H.M. Lucas | Horizontal Boring Machine | horizontal boring mills |
| 2,333,025 | Oct. 26, 1943 | G.J. Mayer | Angle Drill | drill accessories |
| 2,549,490 | Apr. 17, 1951 | G.H. Kuhl | Multiple spindle drill gearing | multiple spindle drill presses |
| 2,574,016 | Nov. 06, 1951 | F.G. Burg | Flexible toolholder | drill presses |
| 2,820,378 | Jan. 21, 1958 | W.D. Reynolds, G.S. Randles | Self-Aligning Tool Holder | drilling and boring tool holders |
| 3,709,624 | Jan. 09, 1973 | E.D. Blank | Torroidal Boring Head | boring heads |
