| All Patents in class 74/333 |
Patents 136 -
150
of 190
      |
| Number | Date | Patentee | Title | Type |
| 1,982,612 | Nov. 27, 1934 | W.G. Hoelscher | Feed box transmission | metal lathes |
| 1,984,052 | Dec. 11, 1934 | D.B. Bullard | Machine Tool Driving Connection | |
| 2,010,556 | Aug. 06, 1935 | L.F. Nenninger, F.A. Hassman | Transmission and control mechanism for milling machines | milling machines |
| 2,012,081 | Aug. 20, 1935 | H. Ernst, L.F. Nenninger | Milling Machine | milling machines |
| 2,022,436 | Nov. 26, 1935 | A.M. Sosa, L.L. Schauer | Convertible upright drill | drill presses |
| 2,025,902 | Dec. 31, 1935 | E.G. Roehm | Milling Machine Transmission and Control Mechanism | milling machines |
| 2,186,168 | Jan. 09, 1940 | W.L. Groene, W.F. Groene | Feed Mechanism for Lathes | metalworking machine mechanisms |
| 2,199,834 | May 07, 1940 | W.L. Groene, W.F. Groene | Feed Mechanism for Lathes | metalworking machine mechanisms |
| 2,244,026 | Jun. 03, 1941 | L.L. Schauer | Radial drill | radial drill presses |
| 2,247,491 | Jul. 01, 1941 | H.E. Darby, H.C. Kemper, W.F. Groene | Transmission Shifter Mechanism | metalworking machine mechanisms |
| 2,269,290 | Jan. 06, 1942 | G.H. Schurger | Speed Change Mechanism | metalworking speed changing mechanisms |
| 2,279,710 | Apr. 14, 1942 | H.O. Kylin, O. Kylin | Sliding Gear Transmission | metalworking machine mechanisms |
| 2,303,270 | Nov. 24, 1942 | C.L. Grover | Spindle Speed Control Mechanism for Machine Tools | machine tool controls |
| 2,310,878 | Feb. 09, 1943 | H.N. Stephan | Machine Tool | horizontal boring mills |
| 2,330,426 | Sep. 28, 1943 | W.G. Hoelscher | Radial Drill | radial drill presses |
