Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4595486 | Electrochemical gas sensor | John Schmidt, Donald N. Campbell | 1986-06-17 |
| 4525266 | Electrochemical gas sensor | John Schmidt, Donald N. Campbell | 1985-06-25 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4595486 | Electrochemical gas sensor | John Schmidt, Donald N. Campbell | 1986-06-17 |
| 4525266 | Electrochemical gas sensor | John Schmidt, Donald N. Campbell | 1985-06-25 |