| All Patents in class 409/131 |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
| | 234,635 | Nov. 16, 1880 | L. Wenchel | Apparatus for Turning Cutters for Molding Machines |
| | 1,208,852 | Dec. 19, 1916 | W.C. Sproul | Adjusting Cutter |
| | 2,053,177 | Sep. 01, 1936 | W.L. Bower | Work holder |
 | 2,088,119 | Jul. 27, 1937 | B.P. Schiltz | Method of machining metallic workpieces |
| | 3,066,578 | Dec. 04, 1962 | P.F. Olton | Temperature Control of Machine Tool |
 | 4,795,291 | Jan. 03, 1989 | K.L. March | Method for achieving interchangeability of tool inserts |
| | 5,538,373 | Jul. 23, 1996 | E.E. Kirkham | Machine Tool Vibration Isolation System |
| | 5,971,681 | Oct. 26, 1999 | I.E. Wolfe, R.J. Schroeder | Drawbar guide ring with drive keys |
