Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4709150 | Method and apparatus for detecting gas | Robert O. Pellissier, Kenneth W. Johnson | 1987-11-24 |
| 4480190 | Non-dispersive infrared gas analyzer | Kevin Gregg Williams | 1984-10-30 |
| 4437004 | Modular gas analyzer | Robert E. Passaro | 1984-03-13 |
| 4423739 | End tidal carbon dioxide gas analyzer | Robert E. Passaro | 1984-01-03 |
| 4233513 | Gas analyzer | William Elder, Kevin Gregg Williams | 1980-11-11 |
| 4200791 | Gas analyzer and gas analyzing method | — | 1980-04-29 |