| All Patents in class 409/149 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 1,761,121 | Jun. 03, 1930 | W.F. Smith, B.P. Graves | Tripping Mechanism | machine tool controls |
| 1,911,574 | May 30, 1933 | J.D. Karle | Commutator Slotting Machine | commutator slotting machines |
| 1,969,393 | Aug. 07, 1934 | J.B. Armitage | Milling Machine Transmission and Control Mechanism | milling machines |
| 2,308,728 | Jan. 19, 1943 | W. Trible, E.D. Vancil | Safety Control for Machine Tools | machine tool controls |
| 2,694,804 | Nov. 16, 1954 | E.K. Wagner | Positioning Device | |
| 3,018,696 | Jan. 30, 1962 | L.A. Attermeyer | Keyway Cutting Machine | keyway cutting machines |
| 3,220,315 | Nov. 30, 1965 | R.A. Mathias | Machine Tool Adaptive Control | machine tool controls |
