| All Patents in class 318/578 |
Patents 1 -
6
of 6
      |
| Picture | Number | Date | Patentee | Title |
| | 2,228,902 | Jan. 14, 1941 | A. Allen | Automatically Controlled Machine Tool and Follow-Up System |
| | 2,476,214 | Jul. 12, 1949 | E.M. Parsons, Executrix, F.A. Parsons, deceased (Estate of) | Pattern Controlled Machine Tool |
| | 2,511,956 | Jun. 20, 1950 | T.A. Wetzel | Tracer Controlled Machine Tool |
| | 2,546,692 | Mar. 27, 1951 | R.B. Lesher, C.E. Greene | Control System |
| | 2,690,373 | Sep. 28, 1954 | J.H. Osgood | Inspection and Recording Device |
| | 2,786,396 | Mar. 26, 1957 | T.A. Wetzel | Tracer Mechanism |
