Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4500874 | Filter monitoring system | Stephen F. Jacobi, Robert E. Haight, John Wayne Schletzbaum, Stephen P. Lang | 1985-02-19 |
| 4489305 | Monitor for hydraulic transmission | Stephen P. Lang, Patrick Eugene Pinkston, Kanaparty N. Rao | 1984-12-18 |
| 4489311 | Engine oil pressure monitor | Stephen P. Lang, Richard G. Norton | 1984-12-18 |
| 4488140 | Clutch temperature monitor | Stephen P. Lang, Patrick Eugene Pinkston | 1984-12-11 |