| All Patents in class 82/144 |
Patents 31 -
44
of 44
      |
| Number | Date | Patentee | Title | Type |
| 2,415,801 | Feb. 11, 1947 | T.F. Eserkaln, J.B. Armitage | Pattern Controlled Machine Tool | milling machines |
| 2,422,681 | Jun. 24, 1947 | C. Johnson | Machine tool control | milling machine accessories |
| 2,443,793 | Jun. 22, 1948 | E.W. Yates, W. Trible, G.A. Lensky | Pattern Controlled Machine Tool | milling machines |
| 2,475,326 | Jul. 05, 1949 | C. Johnson | Control system | milling machine accessories |
| 2,512,008 | Jun. 20, 1950 | C.A. Bickel | Apparatus for Operating Lathes | metal lathe accessories and attachments |
| 2,561,724 | Jul. 24, 1951 | C.A. Bickel | Apparatus for Operating Lathes | metalworking variable speed mechanisms |
| 2,600,988 | Jun. 17, 1952 | R.B. Lesher, C.E. Greene | Constant Surface Speed Lathe | machine tool controls |
| 2,641,874 | Jun. 16, 1953 | R.G. Kirby | Grinding Machine | cam grinding machines |
| 2,687,065 | Aug. 24, 1954 | W.G. Hoelscher | Mirror System for Template Controlled Machine Tools | tracer controlled lathes |
| 2,809,333 | Oct. 08, 1957 | E.K. Wagner | Constant Chip Thickness Motor Control System for Machine Tools | vertical boring mills |
| 3,043,172 | Jul. 10, 1962 | J.N. Colebrook | Machine Tool Control | machine tool controls |
| 3,090,266 | May 21, 1963 | E.K. Wagner | Apparatus to Provide Constant Facing Speed | metalworking machine mechanisms |
| 3,203,276 | Aug. 31, 1965 | E.P. Bullard | Variable Speed Transmission | metalworking machine mechanisms |
| 3,269,231 | Aug. 30, 1966 | E.P. Bullard, III | Controls for Variable Speed Transmission | machine tool controls |
