Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4367845 | Automatic temperature control system for diver heating system | Sergius S. Sergev | 1983-01-11 |
| 4295604 | Automatic temperature control system for diver heating system | Sergius S. Sergev | 1981-10-20 |