Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4952868 | Moisture sensing system for an irrigation system | — | 1990-08-28 |
| 4837499 | Moisture sensing device | — | 1989-06-06 |
| 4457002 | Electrode seal assembly for metallurgical furnace | Georges Mathgen, Charles Prum, Roger Leick | 1984-06-26 |