| All Patents in class 408/11 |
Patents 16 -
30
of 38
      |
| Number | Date | Patentee | Title | Type |
| 2,279,462 | Apr. 14, 1942 | R.T. Brokaw, C.O. Holland, E.F. Lundeen | Combined drilling and tapping machine | |
| 2,280,596 | Apr. 21, 1942 | G.K. McKee | Machine tool | drill presses |
| 2,323,488 | Jul. 06, 1943 | L.L. Schauer | Automatic reverse for tapping machines | tapping machines |
| 2,418,220 | Apr. 01, 1947 | I.F. Churchill | Control mechanism for drilling machines | drill presses |
| 2,426,621 | Sep. 02, 1947 | H.B. Kraut, K.F. Gallimore, E.K. Morgan | Machine tool | horizontal boring mills |
| 2,562,170 | Jul. 31, 1951 | E.J. Busemeyer | Machine tool | drill presses |
| 2,587,352 | Feb. 26, 1952 | S.F. Manning | Thread-cutting machine having rapid traverse plus positive controlled feed | |
| 2,669,906 | Feb. 23, 1954 | W.S. Praeg, A.B. Bassoff | Gear shaper | gear making machines |
| 2,728,248 | Dec. 27, 1955 | C.B. De Vlieg | Feed control mechanism for machine tools | metalworking machine mechanisms |
| 2,776,584 | Jan. 08, 1957 | F.G. Burg | Feed control system for machine tools | drill presses |
| 2,863,339 | Dec. 09, 1958 | M.H. Emrick | Hydraulic air drilling unit | multiple spindle drill presses |
| 2,909,084 | Oct. 20, 1959 | S.H. Stone, E.J. Svenson | Machine tool | drilling and boring |
| 3,009,399 | Nov. 21, 1961 | A.V. Gress, Jr., M.V. Waters | Automatic Cycle Control Mechanism | machine tool controls |
| 3,220,315 | Nov. 30, 1965 | R.A. Mathias | Machine Tool Adaptive Control | machine tool controls |
| 3,259,957 | Jul. 12, 1966 | R.E. Stobbe | Presettable Control System | milling machines |
