| All Patents in class 74/842 |
Patents 61 -
72
of 72
      |
| Number | Date | Patentee | Title | Type |
| 1,756,454 | Apr. 29, 1930 | W.C. De Roo | Spring counterbalance for drill spindles | drill presses |
| 1,767,752 | Jun. 24, 1930 | J. Friedl | Feed mechanism for drilling machines | drill presses |
| 1,928,756 | Oct. 03, 1933 | D.C. Klausmeyer | Spindle guide bracket | tapping machines |
| 1,987,978 | Jan. 15, 1935 | E. Sobolewski | Back gear interlock | radial drill presses |
| 1,993,742 | Mar. 12, 1935 | D.C. Klausmeyer | Single lever feed control | radial drill presses |
| 2,155,687 | Apr. 25, 1939 | L.L. Schauer | Safety manual and power spindle drive | drill presses |
| 2,384,745 | Sep. 11, 1945 | W.G. Hoelscher | Drill Spindle Driving Mechanism | metalworking power transmission |
| 2,567,982 | Sep. 18, 1951 | C.A. Wiken | Machine tool | drilling and boring |
| 2,643,441 | Jun. 30, 1953 | K.F. Gallimore | Machine Tool | horizontal boring mills |
| 2,995,961 | Aug. 15, 1961 | B.S. Eldridge, E.C. Warrick | Adjustable manual feed | drill presses |
| 3,093,015 | Jun. 11, 1963 | H.R. Uhtenwoldt | Machine Tool Motion Transmitting Mechanism | drill presses |
| 3,757,638 | Sep. 11, 1973 | J. Martin | Five-Axis Shaper | metal shapers |
