| All Patents in class 409/80 |
Patents 1 -
15
of 43
      |
| Number | Date | Patentee | Title | Type |
| 324,331 | Aug. 11, 1885 | J. Lyall | Machine for Cutting Metal Ovals | drill press accessories |
| 1,945,045 | Jan. 30, 1934 | A.M. Johnson | Honing machine | honing machines |
| 2,476,214 | Jul. 12, 1949 | E.M. Parsons, Executrix, F.A. Parsons, deceased (Estate of) | Pattern Controlled Machine Tool | milling machines |
| 2,575,792 | Nov. 20, 1951 | R.D. Bullard, J.H. Sherwood, P.M. Geist | Control Mechanism | |
| 2,576,817 | Nov. 27, 1951 | A.P. Waterson | Hydraulic Tracer Control Unit | machine tool controls |
| 2,651,746 | Sep. 08, 1953 | J.J. Gano | Control Device | milling machines |
| 2,687,065 | Aug. 24, 1954 | W.G. Hoelscher | Mirror System for Template Controlled Machine Tools | tracer controlled lathes |
| 2,690,373 | Sep. 28, 1954 | J.H. Osgood | Inspection and Recording Device | comparators |
| 2,741,732 | Apr. 10, 1956 | F.W. Cunningham | Motor Control System for Automatic Machine Tools | numerically controlled lathes |
| 2,853,664 | Sep. 23, 1958 | P.L. Jones, D.S. Evans, V.W. Towns | Digital Servosystem for Postioning an Adjustable Member | machine tool controls |
| 2,882,476 | Apr. 14, 1959 | T.A. Wetzel | Motor Control System | milling machines |
| 2,937,576 | May 24, 1960 | P.F. Olton | Automatic Milling Machine | milling machines |
| 2,947,928 | Aug. 02, 1960 | C.H. Killian | Automatic Machinist | machine tool controls |
| 3,002,403 | Oct. 03, 1961 | M.R. Estabrook | Controls for drilling machines and the like | |
| 3,002,404 | Oct. 03, 1961 | M.R. Estabrook | Control system for machine tools | |
