Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860574 | Paramagnetic oxygen analyzer | Hideo Takeuchi | 1989-08-29 |
| 4828673 | Apparatus for measuring combustible gas concentration in flue gas | — | 1989-05-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860574 | Paramagnetic oxygen analyzer | Hideo Takeuchi | 1989-08-29 |
| 4828673 | Apparatus for measuring combustible gas concentration in flue gas | — | 1989-05-09 |