Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883972 | Monitoring equipment for detection of emission | — | 1989-11-28 |
| 4317045 | Flame monitoring apparatus and method | Donald G. Bell, Michael Bray | 1982-02-23 |
| 4297577 | Radiation detection of gas compositions | Philip Wright | 1981-10-27 |