| All Patents in class 92/28 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 2,403,427 | Jul. 02, 1946 | O.H. Ludeman | Valve Mechanism | steam valves |
| 2,636,579 | Apr. 28, 1953 | M. De Haas | Tailstock Spindle Clamping Device | metal lathe mechanisms |
| 3,003,472 | Oct. 10, 1961 | D.C. Miller, R.M. Ferris | Quill Actuating and Clamping Mechanism | milling machines |
| 3,075,503 | Jan. 29, 1963 | W.A. Kimsey | Hydraulic screw feed mechanism | boring and turning machines |
| 3,150,569 | Sep. 29, 1964 | L.A. Attermeyer | Piston Mechanism | hydraulic apparatus |
| 3,176,590 | Apr. 06, 1965 | A.H. Dall, H.R. Uhtenwoldt | Clamping Device | metalworking machine mechanisms |
