| All Patents in class 408/241R |
Patents 31 -
45
of 51
      |
| Number | Date | Patentee | Title | Type |
| 1,814,963 | Jul. 14, 1931 | W.L. Schellenbach, A.E. Robinson | Drill Arm for Metal Drilling Machinery | radial drill presses |
| 1,821,436 | Sep. 01, 1931 | J.J. Holloway | Portable power driven tool | handheld power drills |
| 1,864,707 | Jun. 28, 1932 | C.R. Alden | Slip bushing | drill press accessories |
| 1,960,442 | May 29, 1934 | D.C. Klausmeyer | Adjustable spring mount and clamp for radial drill sleeves | radial drill presses |
| 2,255,176 | Sep. 09, 1941 | H.N. Stephan, H.M. Lucas | Horizontal Boring Machine | horizontal boring mills |
| 2,360,921 | Oct. 24, 1944 | C.A. Wiken | Drill press | drill presses |
| 2,391,183 | Dec. 18, 1945 | W.F. Mitchell | Centering means for boring machines | boring and turning machines |
| 2,590,629 | Mar. 25, 1952 | C.E. Linden, F.O. Wetzel | Tool ejector | radial drill presses |
| 2,643,554 | Jun. 30, 1953 | E. Sperisen | Boring Bar Pilot Support | metalworking machine tool holders |
| 2,799,186 | Jul. 16, 1957 | W.A. Kimsey, H.J. Siekmann | Cable Carrier for Long Bed Machine Tools | metalworking machine mechanisms |
| 2,833,544 | May 06, 1958 | R.E. Blades | Compensating Tool Holder | lathe tool holders and tool posts |
| 2,966,079 | Dec. 27, 1960 | I.O. Johansson | Tool machine brake mechanism | milling machines |
| 3,037,404 | Jun. 05, 1962 | F.G. Burg | Quick setting adjustable stop | drill presses |
| 3,071,990 | Jan. 08, 1963 | H.R. Uhtenwoldt | Transmission | metalworking power transmission |
| 3,078,741 | Feb. 26, 1963 | R.A. Lehmkuhl, C.L. Reichert | Radial Drilling Machine | radial drill presses |
