| All Patents in class 409/127 |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
| | 2,076,865 | Apr. 13, 1937 | M. Romaine | Manually Controlled Copy Machine |
 | 2,302,506 | Nov. 17, 1942 | J.H. Richards | Duplicating Attachment for Milling Machines |
| | 2,546,692 | Mar. 27, 1951 | R.B. Lesher, C.E. Greene | Control System |
| | 2,562,284 | Jul. 31, 1951 | W.L. Tancred | Tracer Mechanism |
| | 2,704,012 | Mar. 15, 1955 | D.R. Trinkle | Automatic Profiling Machine |
| | 2,858,745 | Nov. 04, 1958 | L.A. Dever | Tracing Mechanism for Machine Tools |
| | 2,937,577 | May 24, 1960 | J.M. Morgan, Jr. | Tracing Apparatus |
| | 2,998,759 | Sep. 05, 1961 | L.J. Meyers, T.E. Dugle | Automatic Tracing Device |
