| All Patents in class 82/1.4 |
Patents 16 -
29
of 29
      |
| Number | Date | Patentee | Title | Type |
| 1,233,994 | Jul. 17, 1917 | R.F. Dow | Machine for taper-forming | metal lathes |
| 2,259,627 | Oct. 21, 1941 | P.M. Hallett | Boring Head | boring heads |
| 2,273,228 | Feb. 17, 1942 | J.H. Smith | Retractable boring tool | boring heads |
| 2,627,194 | Feb. 03, 1953 | C.H. Johnson, L.A. Leifer | Profile Turning and Boring Lathe | metal lathes |
| 2,638,802 | May 19, 1953 | A.F. Froussard | Boring Implement | portable metal drilling machines |
| 3,169,416 | Feb. 16, 1965 | E. Carlson, F.H. Burkhardt | Boring head and method of using same | boring heads |
| 3,256,755 | Jun. 21, 1966 | W. Kraus | Adjustable Boring Head | boring heads |
| 3,383,957 | May 21, 1968 | W.L. McCann | Position Feedback Drive Mechanism for Machine Tools | metalworking power transmission |
| 3,888,146 | Jun. 10, 1975 | A.A. Tomenceak | Contour Machining | form producing lathes |
| 4,354,305 | Oct. 19, 1982 | W.E. Keller, H.R. Plummer | Contouring and Threading Attachment for Multi Function Machine Tools | metalworking machine mechanisms |
| 4,432,258 | Feb. 21, 1984 | J.T. Currer | Controllable Tool Feeding Apparatus | metalworking machine mechanisms |
| 4,450,737 | May 29, 1984 | D. Hitt | Lathe Tool | lathe tools |
| 4,990,037 | Feb. 05, 1991 | D.S. Strait | Portable Boring Machine | portable metal boring and drilling machines |
| 5,642,969 | Jul. 01, 1997 | D.S. Strait | Portable Machine Tool | portable turning tools |
