| All Patents in class 408/135 |
Patents 46 -
60
of 74
      |
| Number | Date | Patentee | Title | Type |
| 1,746,266 | Feb. 11, 1930 | D.C. Klausmeyer | Spindle Feeding Means | metalworking machine mechanisms |
| 1,781,274 | Nov. 11, 1930 | W.C. De Roo | Feed-control mechanism | drill presses |
| 1,794,149 | Feb. 24, 1931 | J.G. Collins | Stand and control means for electric portable drills | |
| 1,830,679 | Nov. 03, 1931 | C.F. Schenck | Drill spindle | drill presses |
| 1,838,995 | Dec. 29, 1931 | W.M. Fairbairn, A.M. Johnson | Spindle feed mechanism for machine tools | nut or bolt making machines |
| 1,859,778 | May 24, 1932 | D.C. Klausmeyer | Feed Slide for Interchangeable Drill Heads | metalworking machine mechanisms |
| 1,928,756 | Oct. 03, 1933 | D.C. Klausmeyer | Spindle guide bracket | tapping machines |
| 1,969,791 | Aug. 14, 1934 | G.H. Schurger, K.F. Gallimore | Horizontal Boring Machine | horizontal boring mills |
| 1,972,359 | Sep. 04, 1934 | C.F. Schenck | Feed mechanism for tool-carrying spindles | drill presses |
| 1,977,061 | Oct. 16, 1934 | J.G. Hey | Drilling machine and the like | drill presses |
| 2,002,480 | May 21, 1935 | K.F. Gallimore | Drive for Machine for Tool Elements | metalworking power transmission |
| 2,022,437 | Nov. 26, 1935 | A.M. Sosa, L.L. Schauer | Head and Spindle Counterbalance | metalworking machine mechanisms |
| 2,027,385 | Jan. 14, 1936 | K.F. Gallimore, H.B. Kraut | Headstock for machine tools | horizontal boring mills |
| 2,072,646 | Mar. 02, 1937 | W.F. Ocenasek | Drill press spindle drive and mounting | drill presses |
| 2,154,745 | Apr. 18, 1939 | T.L. Hedgpeth | Power driven tool | drill presses |
