| All Patents in class 60/368 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 2,089,099 | Aug. 03, 1937 | J.C. Campbell, E.G. Roehm | Die Sinking and Engraving Machine | milling machines |
| 2,335,305 | Nov. 30, 1943 | F.A. Parsons | Machine Tool Transmission and Control Mechanism | milling machines |
| 2,412,549 | Dec. 10, 1946 | T.S. Armandroff, E.W. Yates | Automatic Pattern Controlled Milling Machine | milling machines |
| 2,473,572 | Jun. 21, 1949 | N.D. Cooper, E.A. Ruchty | Magnetic Servo Operator | metalworking machine mechanisms |
| 2,665,681 | Jan. 12, 1954 | F.S. Haas | Truing Mechanism | grinder dressers |
| 2,726,581 | Dec. 13, 1955 | E.G. Roehm | Tracer Controlled Safety Device | profiling machines |
| 2,805,552 | Sep. 10, 1957 | C.F. Pabst, H.R. Hudson | Pre-Selector Dial Devices | metal lathe mechanisms |
| 2,898,891 | Aug. 11, 1959 | R.J. Flanigan, N.V. Gusching | Hydraulic flow control | |
| 2,949,739 | Aug. 23, 1960 | L.J. Meyers, T.E. Dugle | Automatic Tracing Device | profiling machines |
| 2,951,342 | Sep. 06, 1960 | H.E. Boyer, N.V. Gusching, W.H. Ulman, D.E. Lundeen | Electro-hydraulic servo system | |
| 4,706,456 | Nov. 17, 1987 | L.W. Durham, B.S. Backe | Method and Apparatus for Controlling Hydraulic Systems | machine tool controls |
