Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5266779 | Fail safe control device | Paul T. Durst | 1993-11-30 |
| 4691097 | Fail safe safety control device | Paul T. Durst | 1987-09-01 |
| 4596361 | Safety control | Paul T. Durst | 1986-06-24 |
| 4565920 | Fail safe thermal control device | Paul T. Durst | 1986-01-21 |