| All Patents in class 408/46 |
Patents 31 -
35
of 35
      |
| Number | Date | Patentee | Title | Type |
| 1,975,250 | Oct. 02, 1934 | O.L. Craft, A.J. Calpha | Hydraulic Feed Control Apparatus | metalworking machines |
| 2,549,490 | Apr. 17, 1951 | G.H. Kuhl | Multiple spindle drill gearing | multiple spindle drill presses |
| 2,875,629 | Mar. 03, 1959 | J.E. Poorman | Adjustable Off-Center Drill Holder | drill press chucks |
| 3,064,497 | Nov. 20, 1962 | A.I. Zagar | Extensible tool supporting arm for drill and tap drive heads | tapping machines |
| 3,124,017 | Mar. 10, 1964 | W.K. Behrendt, W.E. Brainard | Automatic Multiple Spindle Drilling Machine | multiple spindle drill presses |
