| All Patents in class 82/11.5 |
Patents 16 -
30
of 38
      |
| Number | Date | Patentee | Title | Type |
| 2,559,138 | Jul. 03, 1951 | A.P. Waterson | Duplicating Attachment for Lathes | metal lathe accessories and attachments |
| 2,576,817 | Nov. 27, 1951 | A.P. Waterson | Hydraulic Tracer Control Unit | machine tool controls |
| 2,587,542 | Feb. 26, 1952 | H.J. Siekmann, G.J. Kasselmann | Duplicator attachment for lathes | metal lathe accessories and attachments |
| 2,602,363 | Jul. 08, 1952 | C. Johnson | Machine tool control | |
| 2,602,437 | Jul. 08, 1952 | W.L. Tancred | Hydraulic Profiler for Truing Devices and the Like | hydraulic apparatus |
| 2,603,117 | Jul. 15, 1952 | W.G. Hoelscher, M. Turchan | Template Controlled Machine Tool | tracer controlled lathes |
| 2,634,644 | Apr. 14, 1953 | C. Johnson | Control for duplicating system | milling machine accessories |
| 2,675,743 | Apr. 20, 1954 | L.E. Mehlhope, M. Martellotti | Contour Milling Machine | milling machines |
| 2,678,579 | May 18, 1954 | G.J. Kasselmann, H.J. Siekmann | Withdrawal Device for Hydraulic Tracers | metalworking machine mechanisms |
| 2,686,650 | Aug. 17, 1954 | W.I. Evans | Hydraulic Tracing Mechanism | profiling machines |
| 2,691,913 | Oct. 19, 1954 | A.P. Waterson | Duplicating Attachment for Lathes | metal lathe accessories and attachments |
| 2,720,129 | Oct. 11, 1955 | C.E. Greene, M. De Haas | Machine Tool for Automatic Cycling | automatic lathes |
| 2,727,419 | Dec. 20, 1955 | W.I. Evans | Reproducing Machine | profiling machines |
| 2,777,350 | Jan. 15, 1957 | W.B. Ailes, C.E. Greene, C.S. Doll | Machine Tool Control Apparatus | machine tool controls |
| 2,798,395 | Jul. 09, 1957 | C.H. Johnson | Turret Lathe with Servo Tracer Tool | turret lathes |
