| All Patents in class 409/232 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 1,825,060 | Sep. 29, 1931 | G.E. Hallenbeck | Revolving Holder Machine Tool | drilling and boring tool holders |
| 2,069,296 | Feb. 02, 1937 | R.M. Woytych | Machine Tool and Method | horizontal boring mills |
| 2,349,959 | May 30, 1944 | E. Guetzkow | Cutting Tool | milling machine cutters |
| 2,483,451 | Oct. 04, 1949 | J.B. Armitage | Machine Tool Spindle | milling machines |
| 2,783,527 | Mar. 05, 1957 | A. Davidson | Tool Holder | metalworking machine tool holders |
| 3,369,820 | Feb. 20, 1968 | R.E. Reed, R.A. Lehmkuhl | Power Chuck | milling machine accessories |
| 3,586,343 | Jun. 22, 1971 | R.E. Reed | Tool Orienting Arrangement | metalworking machine mechanisms |
| 3,618,962 | Nov. 09, 1971 | J.E. Mix, J.R. Cox | Collet Chuck | lathe tools |
| 4,238,167 | Dec. 09, 1980 | J.J. Hughes, D.M. Brugger | Toolholder Adapter | metalworking machine tool holders |
| 4,421,443 | Dec. 20, 1983 | P.J. Finet, R.T. Woythal | High Speed Machine Tool Spindle Assembly | metalworking machine mechanisms |
| 4,604,008 | Aug. 05, 1986 | K.F. Bone | Metal Working Machine Having Polygon Tool Support Bar | metalworking machine mechanisms |
| 4,655,655 | Apr. 07, 1987 | H. Schürfeld | Tool and Workpiece Holding Arrangement for Material Removing Machining | insert tool holders |
| 5,265,990 | Nov. 30, 1993 | W. Kuban | Short toolholder system | milling machine accessories |
