Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828671 | Unitary self-referencing combined dual gas sensor | William H. McIntyre | 1989-05-09 |
| 4828672 | Unitary self-generating reference gas sensor | Chikara Hirayama | 1989-05-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828671 | Unitary self-referencing combined dual gas sensor | William H. McIntyre | 1989-05-09 |
| 4828672 | Unitary self-generating reference gas sensor | Chikara Hirayama | 1989-05-09 |