Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12255583 | Temperature compensating adjustable ultraviolet lamp driver circuit and photoionization detector employing the driver circuit | Charles R. Willcox, David Jennings | 2025-03-18 |
| 12146854 | Galvanic current protection for photoionization detector | Charles R. Willcox, David Jennings | 2024-11-19 |