| All Patents in class 409/206 |
Patents 31 -
45
of 48
      |
| Number | Date | Patentee | Title | Type |
| 2,337,223 | Dec. 21, 1943 | J.B. Armitage | Machine Tool Transmission and Control Mechanism | milling machines |
| 2,385,907 | Oct. 02, 1945 | T.F. Eserkaln, J.B. Armitage | Machine Tool Power Transmission and Control Mechanism | milling machines |
| 2,393,907 | Jan. 29, 1946 | C. Herfurth | Milling Machine Vibration Dampener | milling machines |
| 2,484,885 | Oct. 18, 1949 | H. Charles | Vertical spindle milling machine | |
| 2,621,566 | Dec. 16, 1952 | O.W. Barker, J.B. Armitage | Machine Tool Structure and Transmission Mechanism | milling machines |
| 2,641,970 | Jun. 16, 1953 | A.G. Plimmer | High-Speed Spindle Construction | milling machines |
| 2,703,498 | Mar. 08, 1955 | C. Tree | Removable Feed Nut for the Cross-Feed Apparatus of Milling Machines | milling machines |
| 2,730,021 | Jan. 10, 1956 | G.F. Schurger, K.F. Gallimore | Machine Tool | horizontal boring mills |
| 2,765,711 | Oct. 09, 1956 | J.B. Armitage | Machine Tool Structure | milling machines |
| 2,890,629 | Jun. 16, 1959 | R.F. Hecker, G.H. Schurger | Machine Tool | horizontal boring mills |
| 2,896,512 | Jul. 28, 1959 | K.A. Riedel | Machine Tool Counterweight | metalworking machine mechanisms |
| 2,925,018 | Feb. 16, 1960 | F. Zankl, J.G. Osburn, J.B. Lukey | Quill Retracting and Positioning Mechanism | milling machines |
| 2,925,747 | Feb. 16, 1960 | J.B. Lukey, J.B. Armitage | Machine Tools | milling machines |
| 3,003,472 | Oct. 10, 1961 | D.C. Miller, R.M. Ferris | Quill Actuating and Clamping Mechanism | milling machines |
| 3,018,697 | Jan. 30, 1962 | W. Schroeder, A.H. Dall | Counterbalance control device | milling machines |
