| All Patents in class 409/101 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 1,959,178 | May 15, 1934 | B. Sassen | Tracer Control Mechanism | machine tool controls |
| 2,111,332 | Mar. 15, 1938 | E.G. Roehm | Multiple Automatic Pattern Controlled Milling Machine | milling machines |
| 2,235,092 | Mar. 18, 1941 | E.L. Wall | Duplicating Machine | milling machines |
| 2,473,741 | Jun. 21, 1949 | H. Horlacher, W. Wilder | Pattern Controlled Milling Machine | profiling machines |
| 2,493,827 | Jan. 10, 1950 | F.A. Parsons | Transmission and Control Mechanism for Machine Tools | milling machines |
| 2,788,718 | Apr. 16, 1957 | M.E. Martellotti | Contouring Machine | profiling machines |
