| All Patents in class 408 |
Patents 2341 -
2355
of 2397
      |
| Number | Date | Patentee | Title | Type |
| 4,177,550 | Dec. 11, 1979 | R.B. Clegg, R. Johnstone, C.B. Sipek | Machine tool with hollow structural steel members | |
| 4,185,376 | Jan. 29, 1980 | R. Johnstone | Unmanned machining center with tool checking | |
| 4,199,286 | Apr. 22, 1980 | E.E. Kirkham | Power drawbolt with planetary drive | |
| 4,208,718 | Jun. 17, 1980 | H. Chung | Method for optimizing the operation of computer controlled machine tool | |
| 4,266,120 | May 05, 1981 | R. Johnstone | Unmanned machining center with tool checking | |
| 4,349,945 | Sep. 21, 1982 | A. Fox | Multi-purpose power tool | wood lathes |
| 4,358,888 | Nov. 16, 1982 | A.L. Cleek, C.B. Sipek, F. Zankl | Automatic tool changer with internal tool storage magazine | |
| 4,398,326 | Aug. 16, 1983 | J.R. Joerger | Collet unclamping mechanism | |
| 4,410,025 | Oct. 18, 1983 | J. Sicotte | Method and apparatus for making wooden chair seats | chair maker |
| 4,413,938 | Nov. 08, 1983 | S.R. Kuczenski | Spindle motor powered drawbar | |
| 4,427,325 | Jan. 24, 1984 | J.T. Currer, A.J. Schabowski, E.J. Kielma | Multiple spindle toolhead | |
| 4,449,866 | May 22, 1984 | R.E. Stobbe, E.R. Lohneis | Servo-controlled spindle drive system | |
| 4,473,937 | Oct. 02, 1984 | R.M. Ortlieb | System for automatic fine adjustment of tools | multiple station machines |
| 4,477,213 | Oct. 16, 1984 | S.R. Wente, J.W. Nelson | Chuck Key Holder for Power Tool | |
| 4,485,857 | Dec. 04, 1984 | B.D. Norlie, C.A. Knighten | Door processing machine | specialty machines |
