| All Patents in class 409/131 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 234,635 | Nov. 16, 1880 | L. Wenchel | Apparatus for Turning Cutters for Molding Machines | metal lathe accessories and attachments |
| 2,053,177 | Sep. 01, 1936 | W.L. Bower | Work holder | magnetic chucks |
| 2,088,119 | Jul. 27, 1937 | B.P. Schiltz | Method of machining metallic workpieces | metalworking machines |
| 3,066,578 | Dec. 04, 1962 | P.F. Olton | Temperature Control of Machine Tool | metalworking machine mechanisms |
| 4,795,291 | Jan. 03, 1989 | K.L. March | Method for achieving interchangeability of tool inserts | tapping machines |
| 5,538,373 | Jul. 23, 1996 | E.E. Kirkham | Machine Tool Vibration Isolation System | metalworking machine mechanisms |
| 5,971,681 | Oct. 26, 1999 | I.E. Wolfe, R.J. Schroeder | Drawbar guide ring with drive keys | milling machine accessories |
