| All Patents in class 74/28 |
Patents 31 -
34
of 34
      |
| Number | Date | Patentee | Title | Type |
| 2,519,794 | Aug. 22, 1950 | H.C. Kemper, H.J. Siekmann | Hydraulic Gear Shifting Mechanism | metalworking machine mechanisms |
| 2,555,242 | May 29, 1951 | F.A. Hassman, E.D. Vancil, L.F. Nenninger | Milling Machine Transmission and Control Mechanism | milling machines |
| 2,563,970 | Aug. 14, 1951 | L.B. Swanson, H.E. Sloan, Jr., H.E. Sloan | Power Driven Chuck-Operating Means for Lathes and Other Machines | metal lathe chucks |
| 2,618,202 | Nov. 18, 1952 | T.F. Eserkaln | Machine Tool Transmission and Control Mechanism | milling machines |
