Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823224 | Rapid pressure rise circuit | Richard E. Hagerman | 1989-04-18 |
| 4775245 | Multi-phase electronic temperature controller | Richard E. Hagerman, John R. Bodker | 1988-10-04 |
| 4754405 | Tri-phase electronic temperature controller | — | 1988-06-28 |
| 4745571 | Modular electronic temperature controller | — | 1988-05-17 |
| D287701 | Electronic temperature monitor | — | 1987-01-13 |