| Patents for South Bend Lathe, Inc. |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 4,658,859 | Apr. 21, 1987 | L.W. Durham, B.S. Backe | Valve Spool with Cross Drill Ports | |
| 4,706,456 | Nov. 17, 1987 | L.W. Durham, B.S. Backe | Method and Apparatus for Controlling Hydraulic Systems | machine tool controls |
| 4,752,867 | Jun. 21, 1988 | L.W. Durham, B.S. Backe | Control Circuitry for Electric Drives | machine tool controls |
| 4,789,001 | Dec. 06, 1988 | L.W. Durham, B.S. Backe | Operating System for a Valve | |
| 4,790,233 | Dec. 13, 1988 | L.W. Durham, B.S. Backe | Method and Apparatus for Controlling Hydraulic Systems | machine tool controls |
