| All Patents in class 408/4 |
Patents 16 -
25
of 25
      |
| Number | Date | Patentee | Title | Type |
| 2,339,604 | Jan. 18, 1944 | R.H. McClellan, C.E. Linden | Hydraulic gear shifting and driving system | radial drill presses |
| 2,350,174 | May 30, 1944 | H.N. Stephan, H.M. Lucas | Boring Machine | horizontal boring mills |
| 2,428,309 | Sep. 30, 1947 | K.F. Gallimore | Boring machine | horizontal boring mills |
| 2,836,086 | May 27, 1958 | W.G. Hoelscher | Clamping and elevating apparatus for machine tools | radial drill presses |
| 2,845,639 | Aug. 05, 1958 | G. Tyson, W.H. Jorgensen | Control Apparatus for Drilling and Tapping Machine | tapping machines |
| 2,876,369 | Mar. 03, 1959 | O. Doerner | Portable power drill | handheld power tools |
| 2,887,906 | May 26, 1959 | C.M. Grinage | Horizontal Boring Mill | |
| 3,058,129 | Oct. 16, 1962 | E.B. Sullivan | Combination Drilling and Self-Leading Tapping Machine Tool | |
| 3,217,567 | Nov. 16, 1965 | E.P. Bullard, III, E.P. Bullard, IV | Horizontal Boring Mill | |
| 3,823,466 | Jul. 16, 1974 | R.A. Jerue | Machine tool with automatic tool changing mechanism | tool changers and storage mechanisms |
