| All Patents in class 408/234 |
Patents 61 -
75
of 109
      |
| Number | Date | Patentee | Title | Type |
| 2,157,762 | May 09, 1939 | W.R. Knox | Machine tool | drilling and boring |
| 2,233,340 | Feb. 25, 1941 | J.C. Carlton | Clamping Mechanism | radial drill presses |
| 2,333,589 | Nov. 02, 1943 | L.L. Schauer | Drilling machine | portable metal drilling machines |
| 2,360,921 | Oct. 24, 1944 | C.A. Wiken | Drill press | drill presses |
| 2,374,874 | May 01, 1945 | G.K. McKee | Machine tool | drill presses |
| 2,375,169 | May 01, 1945 | R.H. McClellan, C.E. Linden | Clamping mechanism for machine tools | radial drill presses |
| 2,376,303 | May 15, 1945 | E.J. Kaiser, R.M. Woytych | Measuring and Indicating Apparatus for Machine Tools | horizontal boring mill attachments |
| 2,391,398 | Dec. 25, 1945 | C.B. De Vlieg | Horizontal boring machine | horizontal boring mills |
| 2,415,158 | Feb. 04, 1947 | E.M. Bowen | Machine Tool | milling machines |
| 2,474,726 | Jun. 28, 1949 | C. de la Source | Drill Holder and Like Tool | |
| 2,553,416 | May 15, 1951 | A.C. Koett | Universal drill head | handheld power drills |
| 2,590,629 | Mar. 25, 1952 | F.O. Wetzel, C.E. Linden | Tool ejector | radial drill presses |
| 2,619,880 | Dec. 02, 1952 | E.E. Hosea | Machine tool | milling machines |
| 2,620,710 | Dec. 09, 1952 | G.H. Schurger, K.F. Gallimore | Machine Tool | horizontal boring mills |
| 2,638,800 | May 19, 1953 | R.E. Frushour | Table or Head Positioning Attachment for Drill Presses and the Like | drill presses |
