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| Patents for LaMoyne W. Durham | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,658,859 | Apr. 21, 1987 | L.W. Durham, B.S. Backe | Valve Spool with Cross Drill Ports | ||
| 4,752,867 | Jun. 21, 1988 | B.S. Backe, L.W. Durham | 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 | ||