| All Patents in class 409/235 |
Patents 31 -
45
of 48
      |
| Number | Date | Patentee | Title | Type |
| 3,041,898 | Jul. 03, 1962 | B.R. Better | Tool Centering Device | tool centering apparatus |
| 3,167,894 | Feb. 02, 1965 | W.B. Seidel | Liquid Seal for Machine Tool Members | metalworking machine mechanisms |
| 3,191,349 | Jun. 29, 1965 | R.A. Huhn | Attachment mounting means for a boring mill ram | horizontal boring mill attachments |
| 3,198,078 | Aug. 03, 1965 | W.D. Zettler, G.H. Schurger | Machine Tool Control Center | machine tool controls |
| 3,596,153 | Jul. 27, 1971 | E.E. Kirkham, W.E. Brainard | Positional Control System for a Machine Tool | machine tool controls |
| 3,621,753 | Nov. 23, 1971 | C.S. Gladoske | Double Trunnion Accessory for Milling Machines | milling machine accessories |
| 3,752,595 | Aug. 14, 1973 | J.L. Kirschnik, R.T. Woythal | Adapter for Drill Speeder | metalworking machine tool holders |
| 4,194,543 | Mar. 25, 1980 | L.M. Cotton | Grooving Indexer for Routing Apparatus | handheld power tool accessories |
| 4,705,438 | Nov. 10, 1987 | S.S. Zimmerman, L.W. Syarto | Machining center having an inclinable vacuum-holding worktable | work holding |
| 4,792,267 | Dec. 20, 1988 | R.J. Warner | Carriage for Machine Tool | metalworking machine mechanisms |
| 4,988,244 | Jan. 29, 1991 | E.E. Kirkham, P.C. Sheldon | Six Axis Machine Tool | milling machines |
| 5,028,180 | Jul. 02, 1991 | E.E. Kirkham, P.C. Sheldon | Six-Axis Machine Tool | numerically controlled milling machines |
| 5,354,158 | Oct. 11, 1994 | B.P. Konkel, L.D. Ostby, E.E. Kirkham, P.C. Sheldon | Six Axis Machine Tool | milling machines |
| 5,388,935 | Feb. 14, 1995 | P.C. Sheldon | Six Axis Machine Tool | milling machines |
| 5,489,168 | Feb. 06, 1996 | B.P. Konkel, L.D. Ostby, E.E. Kirkham, P.C. Sheldon | Metrology Instrument Arm System | metalworking machine mechanisms |
