Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4347869 | Hydraulic valve position control system for regulating smokestack exhaust pressure | Michael D. Lyons | 1982-09-07 |
| 4335321 | Electronic balance control circuit arrangement | Michael D. Lyons | 1982-06-15 |