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