Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4639882 | Monitoring system | — | 1987-01-27 |
| 4422140 | Monitoring means for industrial process plants | — | 1983-12-20 |
| 4192013 | Safety circuits for coupling laddics in cascade | Dudley W. Leggett | 1980-03-04 |